-53.9% is the change from 577 to 266
Calculation steps:
[( 266 - 577 ) ÷ 577] x 100 = -53.9%
Formula
Percentage change = [(266 - 577) / 577] x 100
Subtract the new number by the original number
266 - 577 = -311
-311 ÷ 577 = -0.5389948006932409
-0.5389948006932409 x 100 = -53.9%