-13.13% is the change from 198 to 172
Calculation steps:
[( 172 - 198 ) ÷ 198] x 100 = -13.13%
Formula
Percentage change = [(172 - 198) / 198] x 100
Subtract the new number by the original number
172 - 198 = -26
-26 ÷ 198 = -0.13131313131313133
-0.13131313131313133 x 100 = -13.13%