661.72% is the change from 128 to 975
Calculation steps:
[( 975 - 128 ) ÷ 128] x 100 = 661.72%
Formula
Percentage change = [(975 - 128) / 128] x 100
Subtract the new number by the original number
975 - 128 = 847
847 ÷ 128 = 6.6171875
6.6171875 x 100 = 661.72%