-30.6% is the change from 768 to 533
Calculation steps:
[( 533 - 768 ) ÷ 768] x 100 = -30.6%
Formula
Percentage change = [(533 - 768) / 768] x 100
Subtract the new number by the original number
533 - 768 = -235
-235 ÷ 768 = -0.3059895833333333
-0.3059895833333333 x 100 = -30.6%