-26.5% is the change from 317 to 233
Calculation steps:
[( 233 - 317 ) ÷ 317] x 100 = -26.5%
Formula
Percentage change = [(233 - 317) / 317] x 100
Subtract the new number by the original number
233 - 317 = -84
-84 ÷ 317 = -0.26498422712933756
-0.26498422712933756 x 100 = -26.5%