769.74% is the change from 76 to 661
Calculation steps:
[( 661 - 76 ) ÷ 76] x 100 = 769.74%
Formula
Percentage change = [(661 - 76) / 76] x 100
Subtract the new number by the original number
661 - 76 = 585
585 ÷ 76 = 7.697368421052632
7.697368421052632 x 100 = 769.74%