-16.43% is the change from 207 to 173
Calculation steps:
[( 173 - 207 ) ÷ 207] x 100 = -16.43%
Formula
Percentage change = [(173 - 207) / 207] x 100
Subtract the new number by the original number
173 - 207 = -34
-34 ÷ 207 = -0.1642512077294686
-0.1642512077294686 x 100 = -16.43%