-83.12% is the change from 634 to 107
Calculation steps:
[( 107 - 634 ) ÷ 634] x 100 = -83.12%
Formula
Percentage change = [(107 - 634) / 634] x 100
Subtract the new number by the original number
107 - 634 = -527
-527 ÷ 634 = -0.831230283911672
-0.831230283911672 x 100 = -83.12%