897.44% is the change from 78 to 778
Calculation steps:
[( 778 - 78 ) ÷ 78] x 100 = 897.44%
Formula
Percentage change = [(778 - 78) / 78] x 100
Subtract the new number by the original number
778 - 78 = 700
700 ÷ 78 = 8.974358974358974
8.974358974358974 x 100 = 897.44%