-66.56% is the change from 927 to 310
Calculation steps:
[( 310 - 927 ) ÷ 927] x 100 = -66.56%
Formula
Percentage change = [(310 - 927) / 927] x 100
Subtract the new number by the original number
310 - 927 = -617
-617 ÷ 927 = -0.6655879180151025
-0.6655879180151025 x 100 = -66.56%