30.14% is the change from 657 to 855
Calculation steps:
[( 855 - 657 ) ÷ 657] x 100 = 30.14%
Formula
Percentage change = [(855 - 657) / 657] x 100
Subtract the new number by the original number
855 - 657 = 198
198 ÷ 657 = 0.3013698630136986
0.3013698630136986 x 100 = 30.14%