-2.06% is the change from 291 to 285
Calculation steps:
[( 285 - 291 ) ÷ 291] x 100 = -2.06%
Formula
Percentage change = [(285 - 291) / 291] x 100
Subtract the new number by the original number
285 - 291 = -6
-6 ÷ 291 = -0.020618556701030927
-0.020618556701030927 x 100 = -2.06%