56.47% is the change from 170 to 266
Calculation steps:
[( 266 - 170 ) ÷ 170] x 100 = 56.47%
Formula
Percentage change = [(266 - 170) / 170] x 100
Subtract the new number by the original number
266 - 170 = 96
96 ÷ 170 = 0.5647058823529412
0.5647058823529412 x 100 = 56.47%