-69.23% is the change from 455 to 140
Calculation steps:
[( 140 - 455 ) ÷ 455] x 100 = -69.23%
Formula
Percentage change = [(140 - 455) / 455] x 100
Subtract the new number by the original number
140 - 455 = -315
-315 ÷ 455 = -0.6923076923076923
-0.6923076923076923 x 100 = -69.23%