136.59% is the change from 123 to 291
Calculation steps:
[( 291 - 123 ) ÷ 123] x 100 = 136.59%
Formula
Percentage change = [(291 - 123) / 123] x 100
Subtract the new number by the original number
291 - 123 = 168
168 ÷ 123 = 1.3658536585365855
1.3658536585365855 x 100 = 136.59%