-96.52% is the change from 689 to 24
Calculation steps:
[( 24 - 689 ) ÷ 689] x 100 = -96.52%
Formula
Percentage change = [(24 - 689) / 689] x 100
Subtract the new number by the original number
24 - 689 = -665
-665 ÷ 689 = -0.965166908563135
-0.965166908563135 x 100 = -96.52%