18.82% is the change from 170 to 202
Calculation steps:
[( 202 - 170 ) ÷ 170] x 100 = 18.82%
Formula
Percentage change = [(202 - 170) / 170] x 100
Subtract the new number by the original number
202 - 170 = 32
32 ÷ 170 = 0.18823529411764706
0.18823529411764706 x 100 = 18.82%