1191.67% is the change from 12 to 155
Calculation steps:
[( 155 - 12 ) ÷ 12] x 100 = 1191.67%
Formula
Percentage change = [(155 - 12) / 12] x 100
Subtract the new number by the original number
155 - 12 = 143
143 ÷ 12 = 11.916666666666666
11.916666666666666 x 100 = 1191.67%