-96.33% is the change from 109 to 4
Calculation steps:
[( 4 - 109 ) ÷ 109] x 100 = -96.33%
Formula
Percentage change = [(4 - 109) / 109] x 100
Subtract the new number by the original number
4 - 109 = -105
-105 ÷ 109 = -0.963302752293578
-0.963302752293578 x 100 = -96.33%