-29.85% is the change from 335 to 235
Calculation steps:
[( 235 - 335 ) ÷ 335] x 100 = -29.85%
Formula
Percentage change = [(235 - 335) / 335] x 100
Subtract the new number by the original number
235 - 335 = -100
-100 ÷ 335 = -0.29850746268656714
-0.29850746268656714 x 100 = -29.85%