-28.78% is the change from 768 to 547
Calculation steps:
[( 547 - 768 ) ÷ 768] x 100 = -28.78%
Formula
Percentage change = [(547 - 768) / 768] x 100
Subtract the new number by the original number
547 - 768 = -221
-221 ÷ 768 = -0.2877604166666667
-0.2877604166666667 x 100 = -28.78%