316.15% is the change from 161 to 670
Calculation steps:
[( 670 - 161 ) ÷ 161] x 100 = 316.15%
Formula
Percentage change = [(670 - 161) / 161] x 100
Subtract the new number by the original number
670 - 161 = 509
509 ÷ 161 = 3.1614906832298137
3.1614906832298137 x 100 = 316.15%