-89.88% is the change from 336 to 34
Calculation steps:
[( 34 - 336 ) ÷ 336] x 100 = -89.88%
Formula
Percentage change = [(34 - 336) / 336] x 100
Subtract the new number by the original number
34 - 336 = -302
-302 ÷ 336 = -0.8988095238095238
-0.8988095238095238 x 100 = -89.88%