-83.25% is the change from 973 to 163
Calculation steps:
[( 163 - 973 ) ÷ 973] x 100 = -83.25%
Formula
Percentage change = [(163 - 973) / 973] x 100
Subtract the new number by the original number
163 - 973 = -810
-810 ÷ 973 = -0.8324768756423433
-0.8324768756423433 x 100 = -83.25%