-59.58% is the change from 767 to 310
Calculation steps:
[( 310 - 767 ) ÷ 767] x 100 = -59.58%
Formula
Percentage change = [(310 - 767) / 767] x 100
Subtract the new number by the original number
310 - 767 = -457
-457 ÷ 767 = -0.5958279009126467
-0.5958279009126467 x 100 = -59.58%