34.97% is the change from 163 to 220
Calculation steps:
[( 220 - 163 ) ÷ 163] x 100 = 34.97%
Formula
Percentage change = [(220 - 163) / 163] x 100
Subtract the new number by the original number
220 - 163 = 57
57 ÷ 163 = 0.3496932515337423
0.3496932515337423 x 100 = 34.97%