121.15% is the change from 227 to 502
Calculation steps:
[( 502 - 227 ) ÷ 227] x 100 = 121.15%
Formula
Percentage change = [(502 - 227) / 227] x 100
Subtract the new number by the original number
502 - 227 = 275
275 ÷ 227 = 1.2114537444933922
1.2114537444933922 x 100 = 121.15%