-81.47% is the change from 750 to 139
Calculation steps:
[( 139 - 750 ) ÷ 750] x 100 = -81.47%
Formula
Percentage change = [(139 - 750) / 750] x 100
Subtract the new number by the original number
139 - 750 = -611
-611 ÷ 750 = -0.8146666666666667
-0.8146666666666667 x 100 = -81.47%