-93.23% is the change from 931 to 63
Calculation steps:
[( 63 - 931 ) ÷ 931] x 100 = -93.23%
Formula
Percentage change = [(63 - 931) / 931] x 100
Subtract the new number by the original number
63 - 931 = -868
-868 ÷ 931 = -0.9323308270676691
-0.9323308270676691 x 100 = -93.23%