-34.93% is the change from 335 to 218
Calculation steps:
[( 218 - 335 ) ÷ 335] x 100 = -34.93%
Formula
Percentage change = [(218 - 335) / 335] x 100
Subtract the new number by the original number
218 - 335 = -117
-117 ÷ 335 = -0.3492537313432836
-0.3492537313432836 x 100 = -34.93%