-55.87% is the change from 997 to 440
Calculation steps:
[( 440 - 997 ) ÷ 997] x 100 = -55.87%
Formula
Percentage change = [(440 - 997) / 997] x 100
Subtract the new number by the original number
440 - 997 = -557
-557 ÷ 997 = -0.5586760280842528
-0.5586760280842528 x 100 = -55.87%