6.45% is the change from 155 to 165
Calculation steps:
[( 165 - 155 ) ÷ 155] x 100 = 6.45%
Formula
Percentage change = [(165 - 155) / 155] x 100
Subtract the new number by the original number
165 - 155 = 10
10 ÷ 155 = 0.06451612903225806
0.06451612903225806 x 100 = 6.45%