53.69% is the change from 501 to 770
Calculation steps:
[( 770 - 501 ) ÷ 501] x 100 = 53.69%
Formula
Percentage change = [(770 - 501) / 501] x 100
Subtract the new number by the original number
770 - 501 = 269
269 ÷ 501 = 0.5369261477045908
0.5369261477045908 x 100 = 53.69%