-35.22% is the change from 335 to 217
Calculation steps:
[( 217 - 335 ) ÷ 335] x 100 = -35.22%
Formula
Percentage change = [(217 - 335) / 335] x 100
Subtract the new number by the original number
217 - 335 = -118
-118 ÷ 335 = -0.3522388059701492
-0.3522388059701492 x 100 = -35.22%