-54.26% is the change from 997 to 456
Calculation steps:
[( 456 - 997 ) ÷ 997] x 100 = -54.26%
Formula
Percentage change = [(456 - 997) / 997] x 100
Subtract the new number by the original number
456 - 997 = -541
-541 ÷ 997 = -0.5426278836509528
-0.5426278836509528 x 100 = -54.26%