-29.11% is the change from 316 to 224
Calculation steps:
[( 224 - 316 ) ÷ 316] x 100 = -29.11%
Formula
Percentage change = [(224 - 316) / 316] x 100
Subtract the new number by the original number
224 - 316 = -92
-92 ÷ 316 = -0.2911392405063291
-0.2911392405063291 x 100 = -29.11%