521.18% is the change from 85 to 528
Calculation steps:
[( 528 - 85 ) ÷ 85] x 100 = 521.18%
Formula
Percentage change = [(528 - 85) / 85] x 100
Subtract the new number by the original number
528 - 85 = 443
443 ÷ 85 = 5.211764705882353
5.211764705882353 x 100 = 521.18%