415.66% is the change from 166 to 856
Calculation steps:
[( 856 - 166 ) ÷ 166] x 100 = 415.66%
Formula
Percentage change = [(856 - 166) / 166] x 100
Subtract the new number by the original number
856 - 166 = 690
690 ÷ 166 = 4.156626506024097
4.156626506024097 x 100 = 415.66%