-4.94% is the change from 830 to 789
Calculation steps:
[( 789 - 830 ) ÷ 830] x 100 = -4.94%
Formula
Percentage change = [(789 - 830) / 830] x 100
Subtract the new number by the original number
789 - 830 = -41
-41 ÷ 830 = -0.04939759036144578
-0.04939759036144578 x 100 = -4.94%