-76.3% is the change from 806 to 191
Calculation steps:
[( 191 - 806 ) ÷ 806] x 100 = -76.3%
Formula
Percentage change = [(191 - 806) / 806] x 100
Subtract the new number by the original number
191 - 806 = -615
-615 ÷ 806 = -0.7630272952853598
-0.7630272952853598 x 100 = -76.3%