-83.39% is the change from 614 to 102
Calculation steps:
[( 102 - 614 ) ÷ 614] x 100 = -83.39%
Formula
Percentage change = [(102 - 614) / 614] x 100
Subtract the new number by the original number
102 - 614 = -512
-512 ÷ 614 = -0.8338762214983714
-0.8338762214983714 x 100 = -83.39%