-6.63% is the change from 694 to 648
Calculation steps:
[( 648 - 694 ) ÷ 694] x 100 = -6.63%
Formula
Percentage change = [(648 - 694) / 694] x 100
Subtract the new number by the original number
648 - 694 = -46
-46 ÷ 694 = -0.06628242074927954
-0.06628242074927954 x 100 = -6.63%