-28.51% is the change from 470 to 336
Calculation steps:
[( 336 - 470 ) ÷ 470] x 100 = -28.51%
Formula
Percentage change = [(336 - 470) / 470] x 100
Subtract the new number by the original number
336 - 470 = -134
-134 ÷ 470 = -0.2851063829787234
-0.2851063829787234 x 100 = -28.51%