-98.06% is the change from 617 to 12
Calculation steps:
[( 12 - 617 ) ÷ 617] x 100 = -98.06%
Formula
Percentage change = [(12 - 617) / 617] x 100
Subtract the new number by the original number
12 - 617 = -605
-605 ÷ 617 = -0.9805510534846029
-0.9805510534846029 x 100 = -98.06%