-4.24% is the change from 283 to 271
Calculation steps:
[( 271 - 283 ) ÷ 283] x 100 = -4.24%
Formula
Percentage change = [(271 - 283) / 283] x 100
Subtract the new number by the original number
271 - 283 = -12
-12 ÷ 283 = -0.04240282685512368
-0.04240282685512368 x 100 = -4.24%