452.9% is the change from 155 to 857
Calculation steps:
[( 857 - 155 ) ÷ 155] x 100 = 452.9%
Formula
Percentage change = [(857 - 155) / 155] x 100
Subtract the new number by the original number
857 - 155 = 702
702 ÷ 155 = 4.529032258064516
4.529032258064516 x 100 = 452.9%