-17.07% is the change from 164 to 136
Calculation steps:
[( 136 - 164 ) ÷ 164] x 100 = -17.07%
Formula
Percentage change = [(136 - 164) / 164] x 100
Subtract the new number by the original number
136 - 164 = -28
-28 ÷ 164 = -0.17073170731707318
-0.17073170731707318 x 100 = -17.07%