-96.31% is the change from 624 to 23
Calculation steps:
[( 23 - 624 ) ÷ 624] x 100 = -96.31%
Formula
Percentage change = [(23 - 624) / 624] x 100
Subtract the new number by the original number
23 - 624 = -601
-601 ÷ 624 = -0.9631410256410257
-0.9631410256410257 x 100 = -96.31%