-2.83% is the change from 283 to 275
Calculation steps:
[( 275 - 283 ) ÷ 283] x 100 = -2.83%
Formula
Percentage change = [(275 - 283) / 283] x 100
Subtract the new number by the original number
275 - 283 = -8
-8 ÷ 283 = -0.028268551236749116
-0.028268551236749116 x 100 = -2.83%