115.19% is the change from 158 to 340
Calculation steps:
[( 340 - 158 ) ÷ 158] x 100 = 115.19%
Formula
Percentage change = [(340 - 158) / 158] x 100
Subtract the new number by the original number
340 - 158 = 182
182 ÷ 158 = 1.1518987341772151
1.1518987341772151 x 100 = 115.19%