-5.92% is the change from 304 to 286
Calculation steps:
[( 286 - 304 ) ÷ 304] x 100 = -5.92%
Formula
Percentage change = [(286 - 304) / 304] x 100
Subtract the new number by the original number
286 - 304 = -18
-18 ÷ 304 = -0.05921052631578947
-0.05921052631578947 x 100 = -5.92%