-21.13% is the change from 336 to 265
Calculation steps:
[( 265 - 336 ) ÷ 336] x 100 = -21.13%
Formula
Percentage change = [(265 - 336) / 336] x 100
Subtract the new number by the original number
265 - 336 = -71
-71 ÷ 336 = -0.2113095238095238
-0.2113095238095238 x 100 = -21.13%