-4.73% is the change from 317 to 302
Calculation steps:
[( 302 - 317 ) ÷ 317] x 100 = -4.73%
Formula
Percentage change = [(302 - 317) / 317] x 100
Subtract the new number by the original number
302 - 317 = -15
-15 ÷ 317 = -0.0473186119873817
-0.0473186119873817 x 100 = -4.73%