-77.68% is the change from 354 to 79
Calculation steps:
[( 79 - 354 ) ÷ 354] x 100 = -77.68%
Formula
Percentage change = [(79 - 354) / 354] x 100
Subtract the new number by the original number
79 - 354 = -275
-275 ÷ 354 = -0.7768361581920904
-0.7768361581920904 x 100 = -77.68%