-58.2% is the change from 189 to 79
Calculation steps:
[( 79 - 189 ) ÷ 189] x 100 = -58.2%
Formula
Percentage change = [(79 - 189) / 189] x 100
Subtract the new number by the original number
79 - 189 = -110
-110 ÷ 189 = -0.582010582010582
-0.582010582010582 x 100 = -58.2%