77.22% is the change from 158 to 280
Calculation steps:
[( 280 - 158 ) ÷ 158] x 100 = 77.22%
Formula
Percentage change = [(280 - 158) / 158] x 100
Subtract the new number by the original number
280 - 158 = 122
122 ÷ 158 = 0.7721518987341772
0.7721518987341772 x 100 = 77.22%