-25.06% is the change from 770 to 577
Calculation steps:
[( 577 - 770 ) ÷ 770] x 100 = -25.06%
Formula
Percentage change = [(577 - 770) / 770] x 100
Subtract the new number by the original number
577 - 770 = -193
-193 ÷ 770 = -0.2506493506493506
-0.2506493506493506 x 100 = -25.06%