-49.57% is the change from 577 to 291
Calculation steps:
[( 291 - 577 ) ÷ 577] x 100 = -49.57%
Formula
Percentage change = [(291 - 577) / 577] x 100
Subtract the new number by the original number
291 - 577 = -286
-286 ÷ 577 = -0.49566724436741766
-0.49566724436741766 x 100 = -49.57%