-69.4% is the change from 768 to 235
Calculation steps:
[( 235 - 768 ) ÷ 768] x 100 = -69.4%
Formula
Percentage change = [(235 - 768) / 768] x 100
Subtract the new number by the original number
235 - 768 = -533
-533 ÷ 768 = -0.6940104166666666
-0.6940104166666666 x 100 = -69.4%