-14.93% is the change from 335 to 285
Calculation steps:
[( 285 - 335 ) ÷ 335] x 100 = -14.93%
Formula
Percentage change = [(285 - 335) / 335] x 100
Subtract the new number by the original number
285 - 335 = -50
-50 ÷ 335 = -0.14925373134328357
-0.14925373134328357 x 100 = -14.93%