-82.97% is the change from 646 to 110
Calculation steps:
[( 110 - 646 ) ÷ 646] x 100 = -82.97%
Formula
Percentage change = [(110 - 646) / 646] x 100
Subtract the new number by the original number
110 - 646 = -536
-536 ÷ 646 = -0.8297213622291022
-0.8297213622291022 x 100 = -82.97%