-2.57% is the change from 623 to 607
Calculation steps:
[( 607 - 623 ) ÷ 623] x 100 = -2.57%
Formula
Percentage change = [(607 - 623) / 623] x 100
Subtract the new number by the original number
607 - 623 = -16
-16 ÷ 623 = -0.025682182985553772
-0.025682182985553772 x 100 = -2.57%