-96.47% is the change from 623 to 22
Calculation steps:
[( 22 - 623 ) ÷ 623] x 100 = -96.47%
Formula
Percentage change = [(22 - 623) / 623] x 100
Subtract the new number by the original number
22 - 623 = -601
-601 ÷ 623 = -0.9646869983948636
-0.9646869983948636 x 100 = -96.47%