-66.5% is the change from 779 to 261
Calculation steps:
[( 261 - 779 ) ÷ 779] x 100 = -66.5%
Formula
Percentage change = [(261 - 779) / 779] x 100
Subtract the new number by the original number
261 - 779 = -518
-518 ÷ 779 = -0.6649550706033376
-0.6649550706033376 x 100 = -66.5%