768.42% is the change from 76 to 660
Calculation steps:
[( 660 - 76 ) ÷ 76] x 100 = 768.42%
Formula
Percentage change = [(660 - 76) / 76] x 100
Subtract the new number by the original number
660 - 76 = 584
584 ÷ 76 = 7.684210526315789
7.684210526315789 x 100 = 768.42%