-41.48% is the change from 135 to 79
Calculation steps:
[( 79 - 135 ) ÷ 135] x 100 = -41.48%
Formula
Percentage change = [(79 - 135) / 135] x 100
Subtract the new number by the original number
79 - 135 = -56
-56 ÷ 135 = -0.4148148148148148
-0.4148148148148148 x 100 = -41.48%