-98.3% is the change from 235 to 4
Calculation steps:
[( 4 - 235 ) ÷ 235] x 100 = -98.3%
Formula
Percentage change = [(4 - 235) / 235] x 100
Subtract the new number by the original number
4 - 235 = -231
-231 ÷ 235 = -0.9829787234042553
-0.9829787234042553 x 100 = -98.3%