-27.29% is the change from 623 to 453
Calculation steps:
[( 453 - 623 ) ÷ 623] x 100 = -27.29%
Formula
Percentage change = [(453 - 623) / 623] x 100
Subtract the new number by the original number
453 - 623 = -170
-170 ÷ 623 = -0.27287319422150885
-0.27287319422150885 x 100 = -27.29%