-90.99% is the change from 699 to 63
Calculation steps:
[( 63 - 699 ) ÷ 699] x 100 = -90.99%
Formula
Percentage change = [(63 - 699) / 699] x 100
Subtract the new number by the original number
63 - 699 = -636
-636 ÷ 699 = -0.9098712446351931
-0.9098712446351931 x 100 = -90.99%