-25.24% is the change from 317 to 237
Calculation steps:
[( 237 - 317 ) ÷ 317] x 100 = -25.24%
Formula
Percentage change = [(237 - 317) / 317] x 100
Subtract the new number by the original number
237 - 317 = -80
-80 ÷ 317 = -0.25236593059936907
-0.25236593059936907 x 100 = -25.24%