-0.78% is the change from 768 to 762
Calculation steps:
[( 762 - 768 ) ÷ 768] x 100 = -0.78%
Formula
Percentage change = [(762 - 768) / 768] x 100
Subtract the new number by the original number
762 - 768 = -6
-6 ÷ 768 = -0.0078125
-0.0078125 x 100 = -0.78%