-51.96% is the change from 945 to 454
Calculation steps:
[( 454 - 945 ) ÷ 945] x 100 = -51.96%
Formula
Percentage change = [(454 - 945) / 945] x 100
Subtract the new number by the original number
454 - 945 = -491
-491 ÷ 945 = -0.5195767195767196
-0.5195767195767196 x 100 = -51.96%