-2.41% is the change from 291 to 284
Calculation steps:
[( 284 - 291 ) ÷ 291] x 100 = -2.41%
Formula
Percentage change = [(284 - 291) / 291] x 100
Subtract the new number by the original number
284 - 291 = -7
-7 ÷ 291 = -0.024054982817869417
-0.024054982817869417 x 100 = -2.41%