-98.33% is the change from 240 to 4
Calculation steps:
[( 4 - 240 ) ÷ 240] x 100 = -98.33%
Formula
Percentage change = [(4 - 240) / 240] x 100
Subtract the new number by the original number
4 - 240 = -236
-236 ÷ 240 = -0.9833333333333333
-0.9833333333333333 x 100 = -98.33%