-96.37% is the change from 633 to 23
Calculation steps:
[( 23 - 633 ) ÷ 633] x 100 = -96.37%
Formula
Percentage change = [(23 - 633) / 633] x 100
Subtract the new number by the original number
23 - 633 = -610
-610 ÷ 633 = -0.9636650868878357
-0.9636650868878357 x 100 = -96.37%