-8.63% is the change from 197 to 180
Calculation steps:
[( 180 - 197 ) ÷ 197] x 100 = -8.63%
Formula
Percentage change = [(180 - 197) / 197] x 100
Subtract the new number by the original number
180 - 197 = -17
-17 ÷ 197 = -0.08629441624365482
-0.08629441624365482 x 100 = -8.63%