-56.27% is the change from 997 to 436
Calculation steps:
[( 436 - 997 ) ÷ 997] x 100 = -56.27%
Formula
Percentage change = [(436 - 997) / 997] x 100
Subtract the new number by the original number
436 - 997 = -561
-561 ÷ 997 = -0.5626880641925778
-0.5626880641925778 x 100 = -56.27%