735.8% is the change from 81 to 677
Calculation steps:
[( 677 - 81 ) ÷ 81] x 100 = 735.8%
Formula
Percentage change = [(677 - 81) / 81] x 100
Subtract the new number by the original number
677 - 81 = 596
596 ÷ 81 = 7.3580246913580245
7.3580246913580245 x 100 = 735.8%