-37.74% is the change from 771 to 480
Calculation steps:
[( 480 - 771 ) ÷ 771] x 100 = -37.74%
Formula
Percentage change = [(480 - 771) / 771] x 100
Subtract the new number by the original number
480 - 771 = -291
-291 ÷ 771 = -0.377431906614786
-0.377431906614786 x 100 = -37.74%