-49.74% is the change from 577 to 290
Calculation steps:
[( 290 - 577 ) ÷ 577] x 100 = -49.74%
Formula
Percentage change = [(290 - 577) / 577] x 100
Subtract the new number by the original number
290 - 577 = -287
-287 ÷ 577 = -0.49740034662045063
-0.49740034662045063 x 100 = -49.74%