Percent of Change
Decimal to percent
Percent to decimal
From Fraction to decimal
% Proportion
100

From 16 to 42

2600% increase

100
.42

42%

100

32%

.32

100

5/10

0.5

100

What number is 10% of 60

6

200

From 10 to 3

70% decrease

200

.3

30%

200

135%

1.35

200

5/8

.625

200

4 is what percent of 24?

16.66%

300
From 12 to 6

50% decrease

300

1.3

130%

300

4%

.04

300

3/10

0.3

300

12 is 40% of what number

30

400

From 3 to 8

166.6%

400

.56

56%

400

221%

2.21

400

5/16

.3125

400

What number is 6% of 30?

1.8

500

From 10 to 4

60% decrease

500

.04

4%

500

1.05%

.0105

500

10/54

.185185

500
What number is 30% of 150?

45

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