-28.86% is the change from 402 to 286
Calculation steps:
[( 286 - 402 ) ÷ 402] x 100 = -28.86%
Formula
Percentage change = [(286 - 402) / 402] x 100
Subtract the new number by the original number
286 - 402 = -116
-116 ÷ 402 = -0.2885572139303483
-0.2885572139303483 x 100 = -28.86%