-0.7% is the change from 286 to 284
Calculation steps:
[( 284 - 286 ) ÷ 286] x 100 = -0.7%
Formula
Percentage change = [(284 - 286) / 286] x 100
Subtract the new number by the original number
284 - 286 = -2
-2 ÷ 286 = -0.006993006993006993
-0.006993006993006993 x 100 = -0.7%