50.2% is the change from 508 to 763
Calculation steps:
[( 763 - 508 ) ÷ 508] x 100 = 50.2%
Formula
Percentage change = [(763 - 508) / 508] x 100
Subtract the new number by the original number
763 - 508 = 255
255 ÷ 508 = 0.5019685039370079
0.5019685039370079 x 100 = 50.2%