-88.32% is the change from 291 to 34
Calculation steps:
[( 34 - 291 ) ÷ 291] x 100 = -88.32%
Formula
Percentage change = [(34 - 291) / 291] x 100
Subtract the new number by the original number
34 - 291 = -257
-257 ÷ 291 = -0.8831615120274914
-0.8831615120274914 x 100 = -88.32%