109.41% is the change from 170 to 356
Calculation steps:
[( 356 - 170 ) ÷ 170] x 100 = 109.41%
Formula
Percentage change = [(356 - 170) / 170] x 100
Subtract the new number by the original number
356 - 170 = 186
186 ÷ 170 = 1.0941176470588236
1.0941176470588236 x 100 = 109.41%