-56.25% is the change from 336 to 147
Calculation steps:
[( 147 - 336 ) ÷ 336] x 100 = -56.25%
Formula
Percentage change = [(147 - 336) / 336] x 100
Subtract the new number by the original number
147 - 336 = -189
-189 ÷ 336 = -0.5625
-0.5625 x 100 = -56.25%