37.73% is the change from 220 to 303
Calculation steps:
[( 303 - 220 ) ÷ 220] x 100 = 37.73%
Formula
Percentage change = [(303 - 220) / 220] x 100
Subtract the new number by the original number
303 - 220 = 83
83 ÷ 220 = 0.37727272727272726
0.37727272727272726 x 100 = 37.73%