-71.09% is the change from 128 to 37
Calculation steps:
[( 37 - 128 ) ÷ 128] x 100 = -71.09%
Formula
Percentage change = [(37 - 128) / 128] x 100
Subtract the new number by the original number
37 - 128 = -91
-91 ÷ 128 = -0.7109375
-0.7109375 x 100 = -71.09%