-56.11% is the change from 180 to 79
Calculation steps:
[( 79 - 180 ) ÷ 180] x 100 = -56.11%
Formula
Percentage change = [(79 - 180) / 180] x 100
Subtract the new number by the original number
79 - 180 = -101
-101 ÷ 180 = -0.5611111111111111
-0.5611111111111111 x 100 = -56.11%