-29.02% is the change from 317 to 225
Calculation steps:
[( 225 - 317 ) ÷ 317] x 100 = -29.02%
Formula
Percentage change = [(225 - 317) / 317] x 100
Subtract the new number by the original number
225 - 317 = -92
-92 ÷ 317 = -0.2902208201892745
-0.2902208201892745 x 100 = -29.02%