53.48% is the change from 503 to 772
Calculation steps:
[( 772 - 503 ) ÷ 503] x 100 = 53.48%
Formula
Percentage change = [(772 - 503) / 503] x 100
Subtract the new number by the original number
772 - 503 = 269
269 ÷ 503 = 0.5347912524850894
0.5347912524850894 x 100 = 53.48%