294.19% is the change from 155 to 611
Calculation steps:
[( 611 - 155 ) ÷ 155] x 100 = 294.19%
Formula
Percentage change = [(611 - 155) / 155] x 100
Subtract the new number by the original number
611 - 155 = 456
456 ÷ 155 = 2.9419354838709677
2.9419354838709677 x 100 = 294.19%