-71.87% is the change from 679 to 191
Calculation steps:
[( 191 - 679 ) ÷ 679] x 100 = -71.87%
Formula
Percentage change = [(191 - 679) / 679] x 100
Subtract the new number by the original number
191 - 679 = -488
-488 ÷ 679 = -0.7187039764359352
-0.7187039764359352 x 100 = -71.87%