422.58% is the change from 155 to 810
Calculation steps:
[( 810 - 155 ) ÷ 155] x 100 = 422.58%
Formula
Percentage change = [(810 - 155) / 155] x 100
Subtract the new number by the original number
810 - 155 = 655
655 ÷ 155 = 4.225806451612903
4.225806451612903 x 100 = 422.58%