491.61% is the change from 155 to 917
Calculation steps:
[( 917 - 155 ) ÷ 155] x 100 = 491.61%
Formula
Percentage change = [(917 - 155) / 155] x 100
Subtract the new number by the original number
917 - 155 = 762
762 ÷ 155 = 4.916129032258064
4.916129032258064 x 100 = 491.61%