59.09% is the change from 220 to 350
Calculation steps:
[( 350 - 220 ) ÷ 220] x 100 = 59.09%
Formula
Percentage change = [(350 - 220) / 220] x 100
Subtract the new number by the original number
350 - 220 = 130
130 ÷ 220 = 0.5909090909090909
0.5909090909090909 x 100 = 59.09%