-35.82% is the change from 335 to 215
Calculation steps:
[( 215 - 335 ) ÷ 335] x 100 = -35.82%
Formula
Percentage change = [(215 - 335) / 335] x 100
Subtract the new number by the original number
215 - 335 = -120
-120 ÷ 335 = -0.3582089552238806
-0.3582089552238806 x 100 = -35.82%