-96.49% is the change from 655 to 23
Calculation steps:
[( 23 - 655 ) ÷ 655] x 100 = -96.49%
Formula
Percentage change = [(23 - 655) / 655] x 100
Subtract the new number by the original number
23 - 655 = -632
-632 ÷ 655 = -0.9648854961832061
-0.9648854961832061 x 100 = -96.49%