-82.16% is the change from 639 to 114
Calculation steps:
[( 114 - 639 ) ÷ 639] x 100 = -82.16%
Formula
Percentage change = [(114 - 639) / 639] x 100
Subtract the new number by the original number
114 - 639 = -525
-525 ÷ 639 = -0.8215962441314554
-0.8215962441314554 x 100 = -82.16%