-40.43% is the change from 977 to 582
Calculation steps:
[( 582 - 977 ) ÷ 977] x 100 = -40.43%
Formula
Percentage change = [(582 - 977) / 977] x 100
Subtract the new number by the original number
582 - 977 = -395
-395 ÷ 977 = -0.40429887410440124
-0.40429887410440124 x 100 = -40.43%