-18.02% is the change from 766 to 628
Calculation steps:
[( 628 - 766 ) ÷ 766] x 100 = -18.02%
Formula
Percentage change = [(628 - 766) / 766] x 100
Subtract the new number by the original number
628 - 766 = -138
-138 ÷ 766 = -0.1801566579634465
-0.1801566579634465 x 100 = -18.02%