-92.82% is the change from 878 to 63
Calculation steps:
[( 63 - 878 ) ÷ 878] x 100 = -92.82%
Formula
Percentage change = [(63 - 878) / 878] x 100
Subtract the new number by the original number
63 - 878 = -815
-815 ÷ 878 = -0.928246013667426
-0.928246013667426 x 100 = -92.82%