-68.74% is the change from 611 to 191
Calculation steps:
[( 191 - 611 ) ÷ 611] x 100 = -68.74%
Formula
Percentage change = [(191 - 611) / 611] x 100
Subtract the new number by the original number
191 - 611 = -420
-420 ÷ 611 = -0.6873977086743044
-0.6873977086743044 x 100 = -68.74%