-97.4% is the change from 769 to 20
Calculation steps:
[( 20 - 769 ) ÷ 769] x 100 = -97.4%
Formula
Percentage change = [(20 - 769) / 769] x 100
Subtract the new number by the original number
20 - 769 = -749
-749 ÷ 769 = -0.9739921976592978
-0.9739921976592978 x 100 = -97.4%