-99.39% is the change from 824 to 5
Calculation steps:
[( 5 - 824 ) ÷ 824] x 100 = -99.39%
Formula
Percentage change = [(5 - 824) / 824] x 100
Subtract the new number by the original number
5 - 824 = -819
-819 ÷ 824 = -0.9939320388349514
-0.9939320388349514 x 100 = -99.39%