-60.31% is the change from 781 to 310
Calculation steps:
[( 310 - 781 ) ÷ 781] x 100 = -60.31%
Formula
Percentage change = [(310 - 781) / 781] x 100
Subtract the new number by the original number
310 - 781 = -471
-471 ÷ 781 = -0.6030729833546735
-0.6030729833546735 x 100 = -60.31%