64.39% is the change from 528 to 868
Calculation steps:
[( 868 - 528 ) ÷ 528] x 100 = 64.39%
Formula
Percentage change = [(868 - 528) / 528] x 100
Subtract the new number by the original number
868 - 528 = 340
340 ÷ 528 = 0.6439393939393939
0.6439393939393939 x 100 = 64.39%