-85.53% is the change from 235 to 34
Calculation steps:
[( 34 - 235 ) ÷ 235] x 100 = -85.53%
Formula
Percentage change = [(34 - 235) / 235] x 100
Subtract the new number by the original number
34 - 235 = -201
-201 ÷ 235 = -0.8553191489361702
-0.8553191489361702 x 100 = -85.53%