-53.24% is the change from 971 to 454
Calculation steps:
[( 454 - 971 ) ÷ 971] x 100 = -53.24%
Formula
Percentage change = [(454 - 971) / 971] x 100
Subtract the new number by the original number
454 - 971 = -517
-517 ÷ 971 = -0.5324407826982492
-0.5324407826982492 x 100 = -53.24%