-98.86% is the change from 614 to 7
Calculation steps:
[( 7 - 614 ) ÷ 614] x 100 = -98.86%
Formula
Percentage change = [(7 - 614) / 614] x 100
Subtract the new number by the original number
7 - 614 = -607
-607 ÷ 614 = -0.988599348534202
-0.988599348534202 x 100 = -98.86%