-18.72% is the change from 235 to 191
Calculation steps:
[( 191 - 235 ) ÷ 235] x 100 = -18.72%
Formula
Percentage change = [(191 - 235) / 235] x 100
Subtract the new number by the original number
191 - 235 = -44
-44 ÷ 235 = -0.18723404255319148
-0.18723404255319148 x 100 = -18.72%