-1.99% is the change from 653 to 640
Calculation steps:
[( 640 - 653 ) ÷ 653] x 100 = -1.99%
Formula
Percentage change = [(640 - 653) / 653] x 100
Subtract the new number by the original number
640 - 653 = -13
-13 ÷ 653 = -0.019908116385911178
-0.019908116385911178 x 100 = -1.99%