-35.31% is the change from 623 to 403
Calculation steps:
[( 403 - 623 ) ÷ 623] x 100 = -35.31%
Formula
Percentage change = [(403 - 623) / 623] x 100
Subtract the new number by the original number
403 - 623 = -220
-220 ÷ 623 = -0.35313001605136435
-0.35313001605136435 x 100 = -35.31%