-41.66% is the change from 989 to 577
Calculation steps:
[( 577 - 989 ) ÷ 989] x 100 = -41.66%
Formula
Percentage change = [(577 - 989) / 989] x 100
Subtract the new number by the original number
577 - 989 = -412
-412 ÷ 989 = -0.416582406471183
-0.416582406471183 x 100 = -41.66%