-48.12% is the change from 611 to 317
Calculation steps:
[( 317 - 611 ) ÷ 611] x 100 = -48.12%
Formula
Percentage change = [(317 - 611) / 611] x 100
Subtract the new number by the original number
317 - 611 = -294
-294 ÷ 611 = -0.48117839607201307
-0.48117839607201307 x 100 = -48.12%