-99.21% is the change from 633 to 5
Calculation steps:
[( 5 - 633 ) ÷ 633] x 100 = -99.21%
Formula
Percentage change = [(5 - 633) / 633] x 100
Subtract the new number by the original number
5 - 633 = -628
-628 ÷ 633 = -0.9921011058451816
-0.9921011058451816 x 100 = -99.21%