-4.95% is the change from 808 to 768
Calculation steps:
[( 768 - 808 ) ÷ 808] x 100 = -4.95%
Formula
Percentage change = [(768 - 808) / 808] x 100
Subtract the new number by the original number
768 - 808 = -40
-40 ÷ 808 = -0.04950495049504951
-0.04950495049504951 x 100 = -4.95%