81.72% is the change from 290 to 527
Calculation steps:
[( 527 - 290 ) ÷ 290] x 100 = 81.72%
Formula
Percentage change = [(527 - 290) / 290] x 100
Subtract the new number by the original number
527 - 290 = 237
237 ÷ 290 = 0.8172413793103448
0.8172413793103448 x 100 = 81.72%