21.28% is the change from 47 to 57
Calculation steps:
[( 57 - 47 ) ÷ 47] x 100 = 21.28%
Formula
Percentage change = [(57 - 47) / 47] x 100
Subtract the new number by the original number
57 - 47 = 10
10 ÷ 47 = 0.2127659574468085
0.2127659574468085 x 100 = 21.28%