19.3% is the change from 57 to 68
Calculation steps:
[( 68 - 57 ) ÷ 57] x 100 = 19.3%
Formula
Percentage change = [(68 - 57) / 57] x 100
Subtract the new number by the original number
68 - 57 = 11
11 ÷ 57 = 0.19298245614035087
0.19298245614035087 x 100 = 19.3%