-98.26% is the change from 689 to 12
Calculation steps:
[( 12 - 689 ) ÷ 689] x 100 = -98.26%
Formula
Percentage change = [(12 - 689) / 689] x 100
Subtract the new number by the original number
12 - 689 = -677
-677 ÷ 689 = -0.9825834542815675
-0.9825834542815675 x 100 = -98.26%