-94.48% is the change from 997 to 55
Calculation steps:
[( 55 - 997 ) ÷ 997] x 100 = -94.48%
Formula
Percentage change = [(55 - 997) / 997] x 100
Subtract the new number by the original number
55 - 997 = -942
-942 ÷ 997 = -0.9448345035105316
-0.9448345035105316 x 100 = -94.48%