918.52% is the change from 81 to 825
Calculation steps:
[( 825 - 81 ) ÷ 81] x 100 = 918.52%
Formula
Percentage change = [(825 - 81) / 81] x 100
Subtract the new number by the original number
825 - 81 = 744
744 ÷ 81 = 9.185185185185185
9.185185185185185 x 100 = 918.52%