851.72% is the change from 87 to 828
Calculation steps:
[( 828 - 87 ) ÷ 87] x 100 = 851.72%
Formula
Percentage change = [(828 - 87) / 87] x 100
Subtract the new number by the original number
828 - 87 = 741
741 ÷ 87 = 8.517241379310345
8.517241379310345 x 100 = 851.72%