-54.15% is the change from 977 to 448
Calculation steps:
[( 448 - 977 ) ÷ 977] x 100 = -54.15%
Formula
Percentage change = [(448 - 977) / 977] x 100
Subtract the new number by the original number
448 - 977 = -529
-529 ÷ 977 = -0.5414534288638689
-0.5414534288638689 x 100 = -54.15%