17.02% is the change from 188 to 220
Calculation steps:
[( 220 - 188 ) ÷ 188] x 100 = 17.02%
Formula
Percentage change = [(220 - 188) / 188] x 100
Subtract the new number by the original number
220 - 188 = 32
32 ÷ 188 = 0.1702127659574468
0.1702127659574468 x 100 = 17.02%