-51.02% is the change from 927 to 454
Calculation steps:
[( 454 - 927 ) ÷ 927] x 100 = -51.02%
Formula
Percentage change = [(454 - 927) / 927] x 100
Subtract the new number by the original number
454 - 927 = -473
-473 ÷ 927 = -0.5102481121898598
-0.5102481121898598 x 100 = -51.02%