-6.33% is the change from 648 to 607
Calculation steps:
[( 607 - 648 ) ÷ 648] x 100 = -6.33%
Formula
Percentage change = [(607 - 648) / 648] x 100
Subtract the new number by the original number
607 - 648 = -41
-41 ÷ 648 = -0.06327160493827161
-0.06327160493827161 x 100 = -6.33%