757.69% is the change from 78 to 669
Calculation steps:
[( 669 - 78 ) ÷ 78] x 100 = 757.69%
Formula
Percentage change = [(669 - 78) / 78] x 100
Subtract the new number by the original number
669 - 78 = 591
591 ÷ 78 = 7.576923076923077
7.576923076923077 x 100 = 757.69%