-12.63% is the change from 776 to 678
Calculation steps:
[( 678 - 776 ) ÷ 776] x 100 = -12.63%
Formula
Percentage change = [(678 - 776) / 776] x 100
Subtract the new number by the original number
678 - 776 = -98
-98 ÷ 776 = -0.12628865979381443
-0.12628865979381443 x 100 = -12.63%