-15.24% is the change from 164 to 139
Calculation steps:
[( 139 - 164 ) ÷ 164] x 100 = -15.24%
Formula
Percentage change = [(139 - 164) / 164] x 100
Subtract the new number by the original number
139 - 164 = -25
-25 ÷ 164 = -0.1524390243902439
-0.1524390243902439 x 100 = -15.24%