-82.47% is the change from 639 to 112
Calculation steps:
[( 112 - 639 ) ÷ 639] x 100 = -82.47%
Formula
Percentage change = [(112 - 639) / 639] x 100
Subtract the new number by the original number
112 - 639 = -527
-527 ÷ 639 = -0.8247261345852895
-0.8247261345852895 x 100 = -82.47%