-45.36% is the change from 291 to 159
Calculation steps:
[( 159 - 291 ) ÷ 291] x 100 = -45.36%
Formula
Percentage change = [(159 - 291) / 291] x 100
Subtract the new number by the original number
159 - 291 = -132
-132 ÷ 291 = -0.4536082474226804
-0.4536082474226804 x 100 = -45.36%