136.47% is the change from 170 to 402
Calculation steps:
[( 402 - 170 ) ÷ 170] x 100 = 136.47%
Formula
Percentage change = [(402 - 170) / 170] x 100
Subtract the new number by the original number
402 - 170 = 232
232 ÷ 170 = 1.3647058823529412
1.3647058823529412 x 100 = 136.47%