-86.73% is the change from 226 to 30
Calculation steps:
[( 30 - 226 ) ÷ 226] x 100 = -86.73%
Formula
Percentage change = [(30 - 226) / 226] x 100
Subtract the new number by the original number
30 - 226 = -196
-196 ÷ 226 = -0.8672566371681416
-0.8672566371681416 x 100 = -86.73%