-5.3% is the change from 660 to 625
Calculation steps:
[( 625 - 660 ) ÷ 660] x 100 = -5.3%
Formula
Percentage change = [(625 - 660) / 660] x 100
Subtract the new number by the original number
625 - 660 = -35
-35 ÷ 660 = -0.05303030303030303
-0.05303030303030303 x 100 = -5.3%