-25.16% is the change from 771 to 577
Calculation steps:
[( 577 - 771 ) ÷ 771] x 100 = -25.16%
Formula
Percentage change = [(577 - 771) / 771] x 100
Subtract the new number by the original number
577 - 771 = -194
-194 ÷ 771 = -0.251621271076524
-0.251621271076524 x 100 = -25.16%