-53.61% is the change from 970 to 450
Calculation steps:
[( 450 - 970 ) ÷ 970] x 100 = -53.61%
Formula
Percentage change = [(450 - 970) / 970] x 100
Subtract the new number by the original number
450 - 970 = -520
-520 ÷ 970 = -0.5360824742268041
-0.5360824742268041 x 100 = -53.61%