657.81% is the change from 128 to 970
Calculation steps:
[( 970 - 128 ) ÷ 128] x 100 = 657.81%
Formula
Percentage change = [(970 - 128) / 128] x 100
Subtract the new number by the original number
970 - 128 = 842
842 ÷ 128 = 6.578125
6.578125 x 100 = 657.81%