-28.26% is the change from 768 to 551
Calculation steps:
[( 551 - 768 ) ÷ 768] x 100 = -28.26%
Formula
Percentage change = [(551 - 768) / 768] x 100
Subtract the new number by the original number
551 - 768 = -217
-217 ÷ 768 = -0.2825520833333333
-0.2825520833333333 x 100 = -28.26%