448.39% is the change from 155 to 850
Calculation steps:
[( 850 - 155 ) ÷ 155] x 100 = 448.39%
Formula
Percentage change = [(850 - 155) / 155] x 100
Subtract the new number by the original number
850 - 155 = 695
695 ÷ 155 = 4.483870967741935
4.483870967741935 x 100 = 448.39%