-46.62% is the change from 577 to 308
Calculation steps:
[( 308 - 577 ) ÷ 577] x 100 = -46.62%
Formula
Percentage change = [(308 - 577) / 577] x 100
Subtract the new number by the original number
308 - 577 = -269
-269 ÷ 577 = -0.4662045060658579
-0.4662045060658579 x 100 = -46.62%