-88.82% is the change from 304 to 34
Calculation steps:
[( 34 - 304 ) ÷ 304] x 100 = -88.82%
Formula
Percentage change = [(34 - 304) / 304] x 100
Subtract the new number by the original number
34 - 304 = -270
-270 ÷ 304 = -0.8881578947368421
-0.8881578947368421 x 100 = -88.82%