83.28% is the change from 287 to 526
Calculation steps:
[( 526 - 287 ) ÷ 287] x 100 = 83.28%
Formula
Percentage change = [(526 - 287) / 287] x 100
Subtract the new number by the original number
526 - 287 = 239
239 ÷ 287 = 0.8327526132404182
0.8327526132404182 x 100 = 83.28%