-10.87% is the change from 184 to 164
Calculation steps:
[( 164 - 184 ) ÷ 184] x 100 = -10.87%
Formula
Percentage change = [(164 - 184) / 184] x 100
Subtract the new number by the original number
164 - 184 = -20
-20 ÷ 184 = -0.10869565217391304
-0.10869565217391304 x 100 = -10.87%