-2.83% is the change from 777 to 755
Calculation steps:
[( 755 - 777 ) ÷ 777] x 100 = -2.83%
Formula
Percentage change = [(755 - 777) / 777] x 100
Subtract the new number by the original number
755 - 777 = -22
-22 ÷ 777 = -0.028314028314028315
-0.028314028314028315 x 100 = -2.83%