105.88% is the change from 136 to 280
Calculation steps:
[( 280 - 136 ) ÷ 136] x 100 = 105.88%
Formula
Percentage change = [(280 - 136) / 136] x 100
Subtract the new number by the original number
280 - 136 = 144
144 ÷ 136 = 1.0588235294117647
1.0588235294117647 x 100 = 105.88%