-25.84% is the change from 770 to 571
Calculation steps:
[( 571 - 770 ) ÷ 770] x 100 = -25.84%
Formula
Percentage change = [(571 - 770) / 770] x 100
Subtract the new number by the original number
571 - 770 = -199
-199 ÷ 770 = -0.2584415584415584
-0.2584415584415584 x 100 = -25.84%