-28.73% is the change from 268 to 191
Calculation steps:
[( 191 - 268 ) ÷ 268] x 100 = -28.73%
Formula
Percentage change = [(191 - 268) / 268] x 100
Subtract the new number by the original number
191 - 268 = -77
-77 ÷ 268 = -0.2873134328358209
-0.2873134328358209 x 100 = -28.73%