-81.24% is the change from 773 to 145
Calculation steps:
[( 145 - 773 ) ÷ 773] x 100 = -81.24%
Formula
Percentage change = [(145 - 773) / 773] x 100
Subtract the new number by the original number
145 - 773 = -628
-628 ÷ 773 = -0.8124191461836999
-0.8124191461836999 x 100 = -81.24%