-53.66% is the change from 971 to 450
Calculation steps:
[( 450 - 971 ) ÷ 971] x 100 = -53.66%
Formula
Percentage change = [(450 - 971) / 971] x 100
Subtract the new number by the original number
450 - 971 = -521
-521 ÷ 971 = -0.5365602471678682
-0.5365602471678682 x 100 = -53.66%