-15.46% is the change from 317 to 268
Calculation steps:
[( 268 - 317 ) ÷ 317] x 100 = -15.46%
Formula
Percentage change = [(268 - 317) / 317] x 100
Subtract the new number by the original number
268 - 317 = -49
-49 ÷ 317 = -0.15457413249211358
-0.15457413249211358 x 100 = -15.46%