-98.84% is the change from 859 to 10
Calculation steps:
[( 10 - 859 ) ÷ 859] x 100 = -98.84%
Formula
Percentage change = [(10 - 859) / 859] x 100
Subtract the new number by the original number
10 - 859 = -849
-849 ÷ 859 = -0.9883585564610011
-0.9883585564610011 x 100 = -98.84%