-32.81% is the change from 317 to 213
Calculation steps:
[( 213 - 317 ) ÷ 317] x 100 = -32.81%
Formula
Percentage change = [(213 - 317) / 317] x 100
Subtract the new number by the original number
213 - 317 = -104
-104 ÷ 317 = -0.3280757097791798
-0.3280757097791798 x 100 = -32.81%