-97.29% is the change from 849 to 23
Calculation steps:
[( 23 - 849 ) ÷ 849] x 100 = -97.29%
Formula
Percentage change = [(23 - 849) / 849] x 100
Subtract the new number by the original number
23 - 849 = -826
-826 ÷ 849 = -0.9729093050647821
-0.9729093050647821 x 100 = -97.29%