-7.99% is the change from 663 to 610
Calculation steps:
[( 610 - 663 ) ÷ 663] x 100 = -7.99%
Formula
Percentage change = [(610 - 663) / 663] x 100
Subtract the new number by the original number
610 - 663 = -53
-53 ÷ 663 = -0.07993966817496229
-0.07993966817496229 x 100 = -7.99%