792.59% is the change from 81 to 723
Calculation steps:
[( 723 - 81 ) ÷ 81] x 100 = 792.59%
Formula
Percentage change = [(723 - 81) / 81] x 100
Subtract the new number by the original number
723 - 81 = 642
642 ÷ 81 = 7.925925925925926
7.925925925925926 x 100 = 792.59%