-53.94% is the change from 977 to 450
Calculation steps:
[( 450 - 977 ) ÷ 977] x 100 = -53.94%
Formula
Percentage change = [(450 - 977) / 977] x 100
Subtract the new number by the original number
450 - 977 = -527
-527 ÷ 977 = -0.5394063459570113
-0.5394063459570113 x 100 = -53.94%