-81% is the change from 763 to 145
Calculation steps:
[( 145 - 763 ) ÷ 763] x 100 = -81%
Formula
Percentage change = [(145 - 763) / 763] x 100
Subtract the new number by the original number
145 - 763 = -618
-618 ÷ 763 = -0.8099606815203145
-0.8099606815203145 x 100 = -81%