194.19% is the change from 155 to 456
Calculation steps:
[( 456 - 155 ) ÷ 155] x 100 = 194.19%
Formula
Percentage change = [(456 - 155) / 155] x 100
Subtract the new number by the original number
456 - 155 = 301
301 ÷ 155 = 1.9419354838709677
1.9419354838709677 x 100 = 194.19%