77.5% is the change from 529 to 939
Calculation steps:
[( 939 - 529 ) ÷ 529] x 100 = 77.5%
Formula
Percentage change = [(939 - 529) / 529] x 100
Subtract the new number by the original number
939 - 529 = 410
410 ÷ 529 = 0.775047258979206
0.775047258979206 x 100 = 77.5%