50.89% is the change from 505 to 762
Calculation steps:
[( 762 - 505 ) ÷ 505] x 100 = 50.89%
Formula
Percentage change = [(762 - 505) / 505] x 100
Subtract the new number by the original number
762 - 505 = 257
257 ÷ 505 = 0.5089108910891089
0.5089108910891089 x 100 = 50.89%