-57.53% is the change from 186 to 79
Calculation steps:
[( 79 - 186 ) ÷ 186] x 100 = -57.53%
Formula
Percentage change = [(79 - 186) / 186] x 100
Subtract the new number by the original number
79 - 186 = -107
-107 ÷ 186 = -0.5752688172043011
-0.5752688172043011 x 100 = -57.53%