747.44% is the change from 78 to 661
Calculation steps:
[( 661 - 78 ) ÷ 78] x 100 = 747.44%
Formula
Percentage change = [(661 - 78) / 78] x 100
Subtract the new number by the original number
661 - 78 = 583
583 ÷ 78 = 7.4743589743589745
7.4743589743589745 x 100 = 747.44%