640.63% is the change from 128 to 948
Calculation steps:
[( 948 - 128 ) ÷ 128] x 100 = 640.63%
Formula
Percentage change = [(948 - 128) / 128] x 100
Subtract the new number by the original number
948 - 128 = 820
820 ÷ 128 = 6.40625
6.40625 x 100 = 640.63%