-62.13% is the change from 338 to 128
Calculation steps:
[( 128 - 338 ) ÷ 338] x 100 = -62.13%
Formula
Percentage change = [(128 - 338) / 338] x 100
Subtract the new number by the original number
128 - 338 = -210
-210 ÷ 338 = -0.621301775147929
-0.621301775147929 x 100 = -62.13%