24.51% is the change from 657 to 818
Calculation steps:
[( 818 - 657 ) ÷ 657] x 100 = 24.51%
Formula
Percentage change = [(818 - 657) / 657] x 100
Subtract the new number by the original number
818 - 657 = 161
161 ÷ 657 = 0.2450532724505327
0.2450532724505327 x 100 = 24.51%