-1.92% is the change from 781 to 766
Calculation steps:
[( 766 - 781 ) ÷ 781] x 100 = -1.92%
Formula
Percentage change = [(766 - 781) / 781] x 100
Subtract the new number by the original number
766 - 781 = -15
-15 ÷ 781 = -0.019206145966709345
-0.019206145966709345 x 100 = -1.92%