-56.91% is the change from 789 to 340
Calculation steps:
[( 340 - 789 ) ÷ 789] x 100 = -56.91%
Formula
Percentage change = [(340 - 789) / 789] x 100
Subtract the new number by the original number
340 - 789 = -449
-449 ÷ 789 = -0.5690747782002535
-0.5690747782002535 x 100 = -56.91%