-20.39% is the change from 304 to 242
Calculation steps:
[( 242 - 304 ) ÷ 304] x 100 = -20.39%
Formula
Percentage change = [(242 - 304) / 304] x 100
Subtract the new number by the original number
242 - 304 = -62
-62 ÷ 304 = -0.20394736842105263
-0.20394736842105263 x 100 = -20.39%