-84.4% is the change from 455 to 71
Calculation steps:
[( 71 - 455 ) ÷ 455] x 100 = -84.4%
Formula
Percentage change = [(71 - 455) / 455] x 100
Subtract the new number by the original number
71 - 455 = -384
-384 ÷ 455 = -0.843956043956044
-0.843956043956044 x 100 = -84.4%