-72.53% is the change from 233 to 64
Calculation steps:
[( 64 - 233 ) ÷ 233] x 100 = -72.53%
Formula
Percentage change = [(64 - 233) / 233] x 100
Subtract the new number by the original number
64 - 233 = -169
-169 ÷ 233 = -0.7253218884120172
-0.7253218884120172 x 100 = -72.53%