-2.52% is the change from 795 to 775
Calculation steps:
[( 775 - 795 ) ÷ 795] x 100 = -2.52%
Formula
Percentage change = [(775 - 795) / 795] x 100
Subtract the new number by the original number
775 - 795 = -20
-20 ÷ 795 = -0.025157232704402517
-0.025157232704402517 x 100 = -2.52%