-41.3% is the change from 983 to 577
Calculation steps:
[( 577 - 983 ) ÷ 983] x 100 = -41.3%
Formula
Percentage change = [(577 - 983) / 983] x 100
Subtract the new number by the original number
577 - 983 = -406
-406 ÷ 983 = -0.41302136317395727
-0.41302136317395727 x 100 = -41.3%