-56.6% is the change from 977 to 424
Calculation steps:
[( 424 - 977 ) ÷ 977] x 100 = -56.6%
Formula
Percentage change = [(424 - 977) / 977] x 100
Subtract the new number by the original number
424 - 977 = -553
-553 ÷ 977 = -0.5660184237461617
-0.5660184237461617 x 100 = -56.6%