-94.58% is the change from 997 to 54
Calculation steps:
[( 54 - 997 ) ÷ 997] x 100 = -94.58%
Formula
Percentage change = [(54 - 997) / 997] x 100
Subtract the new number by the original number
54 - 997 = -943
-943 ÷ 997 = -0.9458375125376128
-0.9458375125376128 x 100 = -94.58%