-27.08% is the change from 624 to 455
Calculation steps:
[( 455 - 624 ) ÷ 624] x 100 = -27.08%
Formula
Percentage change = [(455 - 624) / 624] x 100
Subtract the new number by the original number
455 - 624 = -169
-169 ÷ 624 = -0.2708333333333333
-0.2708333333333333 x 100 = -27.08%