394.19% is the change from 172 to 850
Calculation steps:
[( 850 - 172 ) ÷ 172] x 100 = 394.19%
Formula
Percentage change = [(850 - 172) / 172] x 100
Subtract the new number by the original number
850 - 172 = 678
678 ÷ 172 = 3.941860465116279
3.941860465116279 x 100 = 394.19%