-40.22% is the change from 455 to 272
Calculation steps:
[( 272 - 455 ) ÷ 455] x 100 = -40.22%
Formula
Percentage change = [(272 - 455) / 455] x 100
Subtract the new number by the original number
272 - 455 = -183
-183 ÷ 455 = -0.4021978021978022
-0.4021978021978022 x 100 = -40.22%