-29.95% is the change from 768 to 538
Calculation steps:
[( 538 - 768 ) ÷ 768] x 100 = -29.95%
Formula
Percentage change = [(538 - 768) / 768] x 100
Subtract the new number by the original number
538 - 768 = -230
-230 ÷ 768 = -0.2994791666666667
-0.2994791666666667 x 100 = -29.95%