-96.51% is the change from 659 to 23
Calculation steps:
[( 23 - 659 ) ÷ 659] x 100 = -96.51%
Formula
Percentage change = [(23 - 659) / 659] x 100
Subtract the new number by the original number
23 - 659 = -636
-636 ÷ 659 = -0.9650986342943855
-0.9650986342943855 x 100 = -96.51%