-3.49% is the change from 659 to 636
Calculation steps:
[( 636 - 659 ) ÷ 659] x 100 = -3.49%
Formula
Percentage change = [(636 - 659) / 659] x 100
Subtract the new number by the original number
636 - 659 = -23
-23 ÷ 659 = -0.03490136570561457
-0.03490136570561457 x 100 = -3.49%