-3.05% is the change from 197 to 191
Calculation steps:
[( 191 - 197 ) ÷ 197] x 100 = -3.05%
Formula
Percentage change = [(191 - 197) / 197] x 100
Subtract the new number by the original number
191 - 197 = -6
-6 ÷ 197 = -0.030456852791878174
-0.030456852791878174 x 100 = -3.05%