51.49% is the change from 503 to 762
Calculation steps:
[( 762 - 503 ) ÷ 503] x 100 = 51.49%
Formula
Percentage change = [(762 - 503) / 503] x 100
Subtract the new number by the original number
762 - 503 = 259
259 ÷ 503 = 0.5149105367793241
0.5149105367793241 x 100 = 51.49%