117.32% is the change from 231 to 502
Calculation steps:
[( 502 - 231 ) ÷ 231] x 100 = 117.32%
Formula
Percentage change = [(502 - 231) / 231] x 100
Subtract the new number by the original number
502 - 231 = 271
271 ÷ 231 = 1.173160173160173
1.173160173160173 x 100 = 117.32%