-81.88% is the change from 138 to 25
Calculation steps:
[( 25 - 138 ) ÷ 138] x 100 = -81.88%
Formula
Percentage change = [(25 - 138) / 138] x 100
Subtract the new number by the original number
25 - 138 = -113
-113 ÷ 138 = -0.8188405797101449
-0.8188405797101449 x 100 = -81.88%