-88.19% is the change from 847 to 100
Calculation steps:
[( 100 - 847 ) ÷ 847] x 100 = -88.19%
Formula
Percentage change = [(100 - 847) / 847] x 100
Subtract the new number by the original number
100 - 847 = -747
-747 ÷ 847 = -0.8819362455726092
-0.8819362455726092 x 100 = -88.19%