15.65% is the change from 147 to 170
Calculation steps:
[( 170 - 147 ) ÷ 147] x 100 = 15.65%
Formula
Percentage change = [(170 - 147) / 147] x 100
Subtract the new number by the original number
170 - 147 = 23
23 ÷ 147 = 0.1564625850340136
0.1564625850340136 x 100 = 15.65%