-81.16% is the change from 138 to 26
Calculation steps:
[( 26 - 138 ) ÷ 138] x 100 = -81.16%
Formula
Percentage change = [(26 - 138) / 138] x 100
Subtract the new number by the original number
26 - 138 = -112
-112 ÷ 138 = -0.8115942028985508
-0.8115942028985508 x 100 = -81.16%