-88.22% is the change from 849 to 100
Calculation steps:
[( 100 - 849 ) ÷ 849] x 100 = -88.22%
Formula
Percentage change = [(100 - 849) / 849] x 100
Subtract the new number by the original number
100 - 849 = -749
-749 ÷ 849 = -0.8822143698468787
-0.8822143698468787 x 100 = -88.22%