-2.75% is the change from 291 to 283
Calculation steps:
[( 283 - 291 ) ÷ 291] x 100 = -2.75%
Formula
Percentage change = [(283 - 291) / 291] x 100
Subtract the new number by the original number
283 - 291 = -8
-8 ÷ 291 = -0.027491408934707903
-0.027491408934707903 x 100 = -2.75%