-98.29% is the change from 234 to 4
Calculation steps:
[( 4 - 234 ) ÷ 234] x 100 = -98.29%
Formula
Percentage change = [(4 - 234) / 234] x 100
Subtract the new number by the original number
4 - 234 = -230
-230 ÷ 234 = -0.9829059829059829
-0.9829059829059829 x 100 = -98.29%