-54.35% is the change from 977 to 446
Calculation steps:
[( 446 - 977 ) ÷ 977] x 100 = -54.35%
Formula
Percentage change = [(446 - 977) / 977] x 100
Subtract the new number by the original number
446 - 977 = -531
-531 ÷ 977 = -0.5435005117707267
-0.5435005117707267 x 100 = -54.35%