86.15% is the change from 520 to 968
Calculation steps:
[( 968 - 520 ) ÷ 520] x 100 = 86.15%
Formula
Percentage change = [(968 - 520) / 520] x 100
Subtract the new number by the original number
968 - 520 = 448
448 ÷ 520 = 0.8615384615384616
0.8615384615384616 x 100 = 86.15%