157.58% is the change from 66 to 170
Calculation steps:
[( 170 - 66 ) ÷ 66] x 100 = 157.58%
Formula
Percentage change = [(170 - 66) / 66] x 100
Subtract the new number by the original number
170 - 66 = 104
104 ÷ 66 = 1.5757575757575757
1.5757575757575757 x 100 = 157.58%