-18.12% is the change from 767 to 628
Calculation steps:
[( 628 - 767 ) ÷ 767] x 100 = -18.12%
Formula
Percentage change = [(628 - 767) / 767] x 100
Subtract the new number by the original number
628 - 767 = -139
-139 ÷ 767 = -0.18122555410691005
-0.18122555410691005 x 100 = -18.12%