-81.3% is the change from 738 to 138
Calculation steps:
[( 138 - 738 ) ÷ 738] x 100 = -81.3%
Formula
Percentage change = [(138 - 738) / 738] x 100
Subtract the new number by the original number
138 - 738 = -600
-600 ÷ 738 = -0.8130081300813008
-0.8130081300813008 x 100 = -81.3%