-30.42% is the change from 789 to 549
Calculation steps:
[( 549 - 789 ) ÷ 789] x 100 = -30.42%
Formula
Percentage change = [(549 - 789) / 789] x 100
Subtract the new number by the original number
549 - 789 = -240
-240 ÷ 789 = -0.3041825095057034
-0.3041825095057034 x 100 = -30.42%