-46.97% is the change from 577 to 306
Calculation steps:
[( 306 - 577 ) ÷ 577] x 100 = -46.97%
Formula
Percentage change = [(306 - 577) / 577] x 100
Subtract the new number by the original number
306 - 577 = -271
-271 ÷ 577 = -0.4696707105719237
-0.4696707105719237 x 100 = -46.97%