-13.07% is the change from 199 to 173
Calculation steps:
[( 173 - 199 ) ÷ 199] x 100 = -13.07%
Formula
Percentage change = [(173 - 199) / 199] x 100
Subtract the new number by the original number
173 - 199 = -26
-26 ÷ 199 = -0.1306532663316583
-0.1306532663316583 x 100 = -13.07%