-31.51% is the change from 768 to 526
Calculation steps:
[( 526 - 768 ) ÷ 768] x 100 = -31.51%
Formula
Percentage change = [(526 - 768) / 768] x 100
Subtract the new number by the original number
526 - 768 = -242
-242 ÷ 768 = -0.3151041666666667
-0.3151041666666667 x 100 = -31.51%