-76.59% is the change from 816 to 191
Calculation steps:
[( 191 - 816 ) ÷ 816] x 100 = -76.59%
Formula
Percentage change = [(191 - 816) / 816] x 100
Subtract the new number by the original number
191 - 816 = -625
-625 ÷ 816 = -0.7659313725490197
-0.7659313725490197 x 100 = -76.59%