-6.02% is the change from 665 to 625
Calculation steps:
[( 625 - 665 ) ÷ 665] x 100 = -6.02%
Formula
Percentage change = [(625 - 665) / 665] x 100
Subtract the new number by the original number
625 - 665 = -40
-40 ÷ 665 = -0.06015037593984962
-0.06015037593984962 x 100 = -6.02%