-4.23% is the change from 284 to 272
Calculation steps:
[( 272 - 284 ) ÷ 284] x 100 = -4.23%
Formula
Percentage change = [(272 - 284) / 284] x 100
Subtract the new number by the original number
272 - 284 = -12
-12 ÷ 284 = -0.04225352112676056
-0.04225352112676056 x 100 = -4.23%