-59.64% is the change from 768 to 310
Calculation steps:
[( 310 - 768 ) ÷ 768] x 100 = -59.64%
Formula
Percentage change = [(310 - 768) / 768] x 100
Subtract the new number by the original number
310 - 768 = -458
-458 ÷ 768 = -0.5963541666666666
-0.5963541666666666 x 100 = -59.64%