-2.78% is the change from 360 to 350
Calculation steps:
[( 350 - 360 ) ÷ 360] x 100 = -2.78%
Formula
Percentage change = [(350 - 360) / 360] x 100
Subtract the new number by the original number
350 - 360 = -10
-10 ÷ 360 = -0.027777777777777776
-0.027777777777777776 x 100 = -2.78%