-31.8% is the change from 717 to 489
Calculation steps:
[( 489 - 717 ) ÷ 717] x 100 = -31.8%
Formula
Percentage change = [(489 - 717) / 717] x 100
Subtract the new number by the original number
489 - 717 = -228
-228 ÷ 717 = -0.3179916317991632
-0.3179916317991632 x 100 = -31.8%