-6.1% is the change from 164 to 154
Calculation steps:
[( 154 - 164 ) ÷ 164] x 100 = -6.1%
Formula
Percentage change = [(154 - 164) / 164] x 100
Subtract the new number by the original number
154 - 164 = -10
-10 ÷ 164 = -0.06097560975609756
-0.06097560975609756 x 100 = -6.1%