47.31% is the change from 520 to 766
Calculation steps:
[( 766 - 520 ) ÷ 520] x 100 = 47.31%
Formula
Percentage change = [(766 - 520) / 520] x 100
Subtract the new number by the original number
766 - 520 = 246
246 ÷ 520 = 0.47307692307692306
0.47307692307692306 x 100 = 47.31%