-76.48% is the change from 999 to 235
Calculation steps:
[( 235 - 999 ) ÷ 999] x 100 = -76.48%
Formula
Percentage change = [(235 - 999) / 999] x 100
Subtract the new number by the original number
235 - 999 = -764
-764 ÷ 999 = -0.7647647647647647
-0.7647647647647647 x 100 = -76.48%