-26.65% is the change from 623 to 457
Calculation steps:
[( 457 - 623 ) ÷ 623] x 100 = -26.65%
Formula
Percentage change = [(457 - 623) / 623] x 100
Subtract the new number by the original number
457 - 623 = -166
-166 ÷ 623 = -0.2664526484751204
-0.2664526484751204 x 100 = -26.65%