117.75% is the change from 231 to 503
Calculation steps:
[( 503 - 231 ) ÷ 231] x 100 = 117.75%
Formula
Percentage change = [(503 - 231) / 231] x 100
Subtract the new number by the original number
503 - 231 = 272
272 ÷ 231 = 1.1774891774891776
1.1774891774891776 x 100 = 117.75%