-68.35% is the change from 455 to 144
Calculation steps:
[( 144 - 455 ) ÷ 455] x 100 = -68.35%
Formula
Percentage change = [(144 - 455) / 455] x 100
Subtract the new number by the original number
144 - 455 = -311
-311 ÷ 455 = -0.6835164835164835
-0.6835164835164835 x 100 = -68.35%