-0.61% is the change from 165 to 164
Calculation steps:
[( 164 - 165 ) ÷ 165] x 100 = -0.61%
Formula
Percentage change = [(164 - 165) / 165] x 100
Subtract the new number by the original number
164 - 165 = -1
-1 ÷ 165 = -0.006060606060606061
-0.006060606060606061 x 100 = -0.61%