138.82% is the change from 170 to 406
Calculation steps:
[( 406 - 170 ) ÷ 170] x 100 = 138.82%
Formula
Percentage change = [(406 - 170) / 170] x 100
Subtract the new number by the original number
406 - 170 = 236
236 ÷ 170 = 1.388235294117647
1.388235294117647 x 100 = 138.82%