-27.43% is the change from 627 to 455
Calculation steps:
[( 455 - 627 ) ÷ 627] x 100 = -27.43%
Formula
Percentage change = [(455 - 627) / 627] x 100
Subtract the new number by the original number
455 - 627 = -172
-172 ÷ 627 = -0.2743221690590112
-0.2743221690590112 x 100 = -27.43%