-97.15% is the change from 843 to 24
Calculation steps:
[( 24 - 843 ) ÷ 843] x 100 = -97.15%
Formula
Percentage change = [(24 - 843) / 843] x 100
Subtract the new number by the original number
24 - 843 = -819
-819 ÷ 843 = -0.9715302491103203
-0.9715302491103203 x 100 = -97.15%