-56.76% is the change from 717 to 310
Calculation steps:
[( 310 - 717 ) ÷ 717] x 100 = -56.76%
Formula
Percentage change = [(310 - 717) / 717] x 100
Subtract the new number by the original number
310 - 717 = -407
-407 ÷ 717 = -0.5676429567642957
-0.5676429567642957 x 100 = -56.76%