-0.61% is the change from 164 to 163
Calculation steps:
[( 163 - 164 ) ÷ 164] x 100 = -0.61%
Formula
Percentage change = [(163 - 164) / 164] x 100
Subtract the new number by the original number
163 - 164 = -1
-1 ÷ 164 = -0.006097560975609756
-0.006097560975609756 x 100 = -0.61%