-59.17% is the change from 338 to 138
Calculation steps:
[( 138 - 338 ) ÷ 338] x 100 = -59.17%
Formula
Percentage change = [(138 - 338) / 338] x 100
Subtract the new number by the original number
138 - 338 = -200
-200 ÷ 338 = -0.591715976331361
-0.591715976331361 x 100 = -59.17%