-32.49% is the change from 317 to 214
Calculation steps:
[( 214 - 317 ) ÷ 317] x 100 = -32.49%
Formula
Percentage change = [(214 - 317) / 317] x 100
Subtract the new number by the original number
214 - 317 = -103
-103 ÷ 317 = -0.3249211356466877
-0.3249211356466877 x 100 = -32.49%