-42.73% is the change from 997 to 571
Calculation steps:
[( 571 - 997 ) ÷ 997] x 100 = -42.73%
Formula
Percentage change = [(571 - 997) / 997] x 100
Subtract the new number by the original number
571 - 997 = -426
-426 ÷ 997 = -0.4272818455366098
-0.4272818455366098 x 100 = -42.73%