-97.32% is the change from 859 to 23
Calculation steps:
[( 23 - 859 ) ÷ 859] x 100 = -97.32%
Formula
Percentage change = [(23 - 859) / 859] x 100
Subtract the new number by the original number
23 - 859 = -836
-836 ÷ 859 = -0.9732246798603027
-0.9732246798603027 x 100 = -97.32%