-31.85% is the change from 336 to 229
Calculation steps:
[( 229 - 336 ) ÷ 336] x 100 = -31.85%
Formula
Percentage change = [(229 - 336) / 336] x 100
Subtract the new number by the original number
229 - 336 = -107
-107 ÷ 336 = -0.31845238095238093
-0.31845238095238093 x 100 = -31.85%