-56.17% is the change from 997 to 437
Calculation steps:
[( 437 - 997 ) ÷ 997] x 100 = -56.17%
Formula
Percentage change = [(437 - 997) / 997] x 100
Subtract the new number by the original number
437 - 997 = -560
-560 ÷ 997 = -0.5616850551654965
-0.5616850551654965 x 100 = -56.17%