-87.55% is the change from 241 to 30
Calculation steps:
[( 30 - 241 ) ÷ 241] x 100 = -87.55%
Formula
Percentage change = [(30 - 241) / 241] x 100
Subtract the new number by the original number
30 - 241 = -211
-211 ÷ 241 = -0.8755186721991701
-0.8755186721991701 x 100 = -87.55%