-47.14% is the change from 577 to 305
Calculation steps:
[( 305 - 577 ) ÷ 577] x 100 = -47.14%
Formula
Percentage change = [(305 - 577) / 577] x 100
Subtract the new number by the original number
305 - 577 = -272
-272 ÷ 577 = -0.4714038128249567
-0.4714038128249567 x 100 = -47.14%