-29.65% is the change from 317 to 223
Calculation steps:
[( 223 - 317 ) ÷ 317] x 100 = -29.65%
Formula
Percentage change = [(223 - 317) / 317] x 100
Subtract the new number by the original number
223 - 317 = -94
-94 ÷ 317 = -0.29652996845425866
-0.29652996845425866 x 100 = -29.65%