-12.78% is the change from 767 to 669
Calculation steps:
[( 669 - 767 ) ÷ 767] x 100 = -12.78%
Formula
Percentage change = [(669 - 767) / 767] x 100
Subtract the new number by the original number
669 - 767 = -98
-98 ÷ 767 = -0.12777053455019557
-0.12777053455019557 x 100 = -12.78%