-27.23% is the change from 393 to 286
Calculation steps:
[( 286 - 393 ) ÷ 393] x 100 = -27.23%
Formula
Percentage change = [(286 - 393) / 393] x 100
Subtract the new number by the original number
286 - 393 = -107
-107 ÷ 393 = -0.272264631043257
-0.272264631043257 x 100 = -27.23%