-18.84% is the change from 207 to 168
Calculation steps:
[( 168 - 207 ) ÷ 207] x 100 = -18.84%
Formula
Percentage change = [(168 - 207) / 207] x 100
Subtract the new number by the original number
168 - 207 = -39
-39 ÷ 207 = -0.18840579710144928
-0.18840579710144928 x 100 = -18.84%