-23.74% is the change from 577 to 440
Calculation steps:
[( 440 - 577 ) ÷ 577] x 100 = -23.74%
Formula
Percentage change = [(440 - 577) / 577] x 100
Subtract the new number by the original number
440 - 577 = -137
-137 ÷ 577 = -0.23743500866551126
-0.23743500866551126 x 100 = -23.74%