-86.74% is the change from 626 to 83
Calculation steps:
[( 83 - 626 ) ÷ 626] x 100 = -86.74%
Formula
Percentage change = [(83 - 626) / 626] x 100
Subtract the new number by the original number
83 - 626 = -543
-543 ÷ 626 = -0.8674121405750799
-0.8674121405750799 x 100 = -86.74%