-71.49% is the change from 235 to 67
Calculation steps:
[( 67 - 235 ) ÷ 235] x 100 = -71.49%
Formula
Percentage change = [(67 - 235) / 235] x 100
Subtract the new number by the original number
67 - 235 = -168
-168 ÷ 235 = -0.7148936170212766
-0.7148936170212766 x 100 = -71.49%