-42.78% is the change from 977 to 559
Calculation steps:
[( 559 - 977 ) ÷ 977] x 100 = -42.78%
Formula
Percentage change = [(559 - 977) / 977] x 100
Subtract the new number by the original number
559 - 977 = -418
-418 ÷ 977 = -0.4278403275332651
-0.4278403275332651 x 100 = -42.78%