-61.1% is the change from 797 to 310
Calculation steps:
[( 310 - 797 ) ÷ 797] x 100 = -61.1%
Formula
Percentage change = [(310 - 797) / 797] x 100
Subtract the new number by the original number
310 - 797 = -487
-487 ÷ 797 = -0.6110414052697616
-0.6110414052697616 x 100 = -61.1%