969.41% is the change from 85 to 909
Calculation steps:
[( 909 - 85 ) ÷ 85] x 100 = 969.41%
Formula
Percentage change = [(909 - 85) / 85] x 100
Subtract the new number by the original number
909 - 85 = 824
824 ÷ 85 = 9.694117647058823
9.694117647058823 x 100 = 969.41%