920.99% is the change from 81 to 827
Calculation steps:
[( 827 - 81 ) ÷ 81] x 100 = 920.99%
Formula
Percentage change = [(827 - 81) / 81] x 100
Subtract the new number by the original number
827 - 81 = 746
746 ÷ 81 = 9.209876543209877
9.209876543209877 x 100 = 920.99%