-93.53% is the change from 973 to 63
Calculation steps:
[( 63 - 973 ) ÷ 973] x 100 = -93.53%
Formula
Percentage change = [(63 - 973) / 973] x 100
Subtract the new number by the original number
63 - 973 = -910
-910 ÷ 973 = -0.935251798561151
-0.935251798561151 x 100 = -93.53%