45.7% is the change from 151 to 220
Calculation steps:
[( 220 - 151 ) ÷ 151] x 100 = 45.7%
Formula
Percentage change = [(220 - 151) / 151] x 100
Subtract the new number by the original number
220 - 151 = 69
69 ÷ 151 = 0.45695364238410596
0.45695364238410596 x 100 = 45.7%