-27.99% is the change from 768 to 553
Calculation steps:
[( 553 - 768 ) ÷ 768] x 100 = -27.99%
Formula
Percentage change = [(553 - 768) / 768] x 100
Subtract the new number by the original number
553 - 768 = -215
-215 ÷ 768 = -0.2799479166666667
-0.2799479166666667 x 100 = -27.99%