-34.09% is the change from 789 to 520
Calculation steps:
[( 520 - 789 ) ÷ 789] x 100 = -34.09%
Formula
Percentage change = [(520 - 789) / 789] x 100
Subtract the new number by the original number
520 - 789 = -269
-269 ÷ 789 = -0.3409378960709759
-0.3409378960709759 x 100 = -34.09%