-69.53% is the change from 233 to 71
Calculation steps:
[( 71 - 233 ) ÷ 233] x 100 = -69.53%
Formula
Percentage change = [(71 - 233) / 233] x 100
Subtract the new number by the original number
71 - 233 = -162
-162 ÷ 233 = -0.6952789699570815
-0.6952789699570815 x 100 = -69.53%