-24.55% is the change from 770 to 581
Calculation steps:
[( 581 - 770 ) ÷ 770] x 100 = -24.55%
Formula
Percentage change = [(581 - 770) / 770] x 100
Subtract the new number by the original number
581 - 770 = -189
-189 ÷ 770 = -0.24545454545454545
-0.24545454545454545 x 100 = -24.55%