-78% is the change from 868 to 191
Calculation steps:
[( 191 - 868 ) ÷ 868] x 100 = -78%
Formula
Percentage change = [(191 - 868) / 868] x 100
Subtract the new number by the original number
191 - 868 = -677
-677 ÷ 868 = -0.7799539170506913
-0.7799539170506913 x 100 = -78%