-36.08% is the change from 291 to 186
Calculation steps:
[( 186 - 291 ) ÷ 291] x 100 = -36.08%
Formula
Percentage change = [(186 - 291) / 291] x 100
Subtract the new number by the original number
186 - 291 = -105
-105 ÷ 291 = -0.36082474226804123
-0.36082474226804123 x 100 = -36.08%