-1.37% is the change from 291 to 287
Calculation steps:
[( 287 - 291 ) ÷ 291] x 100 = -1.37%
Formula
Percentage change = [(287 - 291) / 291] x 100
Subtract the new number by the original number
287 - 291 = -4
-4 ÷ 291 = -0.013745704467353952
-0.013745704467353952 x 100 = -1.37%