-18.6% is the change from 774 to 630
Calculation steps:
[( 630 - 774 ) ÷ 774] x 100 = -18.6%
Formula
Percentage change = [(630 - 774) / 774] x 100
Subtract the new number by the original number
630 - 774 = -144
-144 ÷ 774 = -0.18604651162790697
-0.18604651162790697 x 100 = -18.6%