50.91% is the change from 220 to 332
Calculation steps:
[( 332 - 220 ) ÷ 220] x 100 = 50.91%
Formula
Percentage change = [(332 - 220) / 220] x 100
Subtract the new number by the original number
332 - 220 = 112
112 ÷ 220 = 0.509090909090909
0.509090909090909 x 100 = 50.91%