769.14% is the change from 81 to 704
Calculation steps:
[( 704 - 81 ) ÷ 81] x 100 = 769.14%
Formula
Percentage change = [(704 - 81) / 81] x 100
Subtract the new number by the original number
704 - 81 = 623
623 ÷ 81 = 7.691358024691358
7.691358024691358 x 100 = 769.14%