158.82% is the change from 170 to 440
Calculation steps:
[( 440 - 170 ) ÷ 170] x 100 = 158.82%
Formula
Percentage change = [(440 - 170) / 170] x 100
Subtract the new number by the original number
440 - 170 = 270
270 ÷ 170 = 1.588235294117647
1.588235294117647 x 100 = 158.82%