-98.35% is the change from 242 to 4
Calculation steps:
[( 4 - 242 ) ÷ 242] x 100 = -98.35%
Formula
Percentage change = [(4 - 242) / 242] x 100
Subtract the new number by the original number
4 - 242 = -238
-238 ÷ 242 = -0.9834710743801653
-0.9834710743801653 x 100 = -98.35%