-15.22% is the change from 335 to 284
Calculation steps:
[( 284 - 335 ) ÷ 335] x 100 = -15.22%
Formula
Percentage change = [(284 - 335) / 335] x 100
Subtract the new number by the original number
284 - 335 = -51
-51 ÷ 335 = -0.15223880597014924
-0.15223880597014924 x 100 = -15.22%