-82.53% is the change from 664 to 116
Calculation steps:
[( 116 - 664 ) ÷ 664] x 100 = -82.53%
Formula
Percentage change = [(116 - 664) / 664] x 100
Subtract the new number by the original number
116 - 664 = -548
-548 ÷ 664 = -0.8253012048192772
-0.8253012048192772 x 100 = -82.53%