-3.52% is the change from 284 to 274
Calculation steps:
[( 274 - 284 ) ÷ 284] x 100 = -3.52%
Formula
Percentage change = [(274 - 284) / 284] x 100
Subtract the new number by the original number
274 - 284 = -10
-10 ÷ 284 = -0.035211267605633804
-0.035211267605633804 x 100 = -3.52%