-10.13% is the change from 316 to 284
Calculation steps:
[( 284 - 316 ) ÷ 316] x 100 = -10.13%
Formula
Percentage change = [(284 - 316) / 316] x 100
Subtract the new number by the original number
284 - 316 = -32
-32 ÷ 316 = -0.10126582278481013
-0.10126582278481013 x 100 = -10.13%