-97.17% is the change from 849 to 24
Calculation steps:
[( 24 - 849 ) ÷ 849] x 100 = -97.17%
Formula
Percentage change = [(24 - 849) / 849] x 100
Subtract the new number by the original number
24 - 849 = -825
-825 ÷ 849 = -0.9717314487632509
-0.9717314487632509 x 100 = -97.17%