-2.08% is the change from 771 to 755
Calculation steps:
[( 755 - 771 ) ÷ 771] x 100 = -2.08%
Formula
Percentage change = [(755 - 771) / 771] x 100
Subtract the new number by the original number
755 - 771 = -16
-16 ÷ 771 = -0.020752269779507133
-0.020752269779507133 x 100 = -2.08%