-85.17% is the change from 317 to 47
Calculation steps:
[( 47 - 317 ) ÷ 317] x 100 = -85.17%
Formula
Percentage change = [(47 - 317) / 317] x 100
Subtract the new number by the original number
47 - 317 = -270
-270 ÷ 317 = -0.8517350157728707
-0.8517350157728707 x 100 = -85.17%