-80.88% is the change from 455 to 87
Calculation steps:
[( 87 - 455 ) ÷ 455] x 100 = -80.88%
Formula
Percentage change = [(87 - 455) / 455] x 100
Subtract the new number by the original number
87 - 455 = -368
-368 ÷ 455 = -0.8087912087912088
-0.8087912087912088 x 100 = -80.88%