-56.06% is the change from 710 to 312
Calculation steps:
[( 312 - 710 ) ÷ 710] x 100 = -56.06%
Formula
Percentage change = [(312 - 710) / 710] x 100
Subtract the new number by the original number
312 - 710 = -398
-398 ÷ 710 = -0.5605633802816902
-0.5605633802816902 x 100 = -56.06%