-18.68% is the change from 771 to 627
Calculation steps:
[( 627 - 771 ) ÷ 771] x 100 = -18.68%
Formula
Percentage change = [(627 - 771) / 771] x 100
Subtract the new number by the original number
627 - 771 = -144
-144 ÷ 771 = -0.1867704280155642
-0.1867704280155642 x 100 = -18.68%