-2.37% is the change from 632 to 617
Calculation steps:
[( 617 - 632 ) ÷ 632] x 100 = -2.37%
Formula
Percentage change = [(617 - 632) / 632] x 100
Subtract the new number by the original number
617 - 632 = -15
-15 ÷ 632 = -0.023734177215189875
-0.023734177215189875 x 100 = -2.37%