-33.5% is the change from 197 to 131
Calculation steps:
[( 131 - 197 ) ÷ 197] x 100 = -33.5%
Formula
Percentage change = [(131 - 197) / 197] x 100
Subtract the new number by the original number
131 - 197 = -66
-66 ÷ 197 = -0.3350253807106599
-0.3350253807106599 x 100 = -33.5%