817.28% is the change from 81 to 743
Calculation steps:
[( 743 - 81 ) ÷ 81] x 100 = 817.28%
Formula
Percentage change = [(743 - 81) / 81] x 100
Subtract the new number by the original number
743 - 81 = 662
662 ÷ 81 = 8.17283950617284
8.17283950617284 x 100 = 817.28%