-50.78% is the change from 577 to 284
Calculation steps:
[( 284 - 577 ) ÷ 577] x 100 = -50.78%
Formula
Percentage change = [(284 - 577) / 577] x 100
Subtract the new number by the original number
284 - 577 = -293
-293 ÷ 577 = -0.5077989601386482
-0.5077989601386482 x 100 = -50.78%