-97.53% is the change from 769 to 19
Calculation steps:
[( 19 - 769 ) ÷ 769] x 100 = -97.53%
Formula
Percentage change = [(19 - 769) / 769] x 100
Subtract the new number by the original number
19 - 769 = -750
-750 ÷ 769 = -0.9752925877763329
-0.9752925877763329 x 100 = -97.53%