-33.44% is the change from 317 to 211
Calculation steps:
[( 211 - 317 ) ÷ 317] x 100 = -33.44%
Formula
Percentage change = [(211 - 317) / 317] x 100
Subtract the new number by the original number
211 - 317 = -106
-106 ÷ 317 = -0.334384858044164
-0.334384858044164 x 100 = -33.44%