-81.81% is the change from 764 to 139
Calculation steps:
[( 139 - 764 ) ÷ 764] x 100 = -81.81%
Formula
Percentage change = [(139 - 764) / 764] x 100
Subtract the new number by the original number
139 - 764 = -625
-625 ÷ 764 = -0.8180628272251309
-0.8180628272251309 x 100 = -81.81%