-32.67% is the change from 499 to 336
Calculation steps:
[( 336 - 499 ) ÷ 499] x 100 = -32.67%
Formula
Percentage change = [(336 - 499) / 499] x 100
Subtract the new number by the original number
336 - 499 = -163
-163 ÷ 499 = -0.32665330661322645
-0.32665330661322645 x 100 = -32.67%