66.47% is the change from 170 to 283
Calculation steps:
[( 283 - 170 ) ÷ 170] x 100 = 66.47%
Formula
Percentage change = [(283 - 170) / 170] x 100
Subtract the new number by the original number
283 - 170 = 113
113 ÷ 170 = 0.6647058823529411
0.6647058823529411 x 100 = 66.47%