-86.18% is the change from 304 to 42
Calculation steps:
[( 42 - 304 ) ÷ 304] x 100 = -86.18%
Formula
Percentage change = [(42 - 304) / 304] x 100
Subtract the new number by the original number
42 - 304 = -262
-262 ÷ 304 = -0.8618421052631579
-0.8618421052631579 x 100 = -86.18%