-13.8% is the change from 623 to 537
Calculation steps:
[( 537 - 623 ) ÷ 623] x 100 = -13.8%
Formula
Percentage change = [(537 - 623) / 623] x 100
Subtract the new number by the original number
537 - 623 = -86
-86 ÷ 623 = -0.13804173354735153
-0.13804173354735153 x 100 = -13.8%