-45.39% is the change from 954 to 521
Calculation steps:
[( 521 - 954 ) ÷ 954] x 100 = -45.39%
Formula
Percentage change = [(521 - 954) / 954] x 100
Subtract the new number by the original number
521 - 954 = -433
-433 ÷ 954 = -0.45387840670859536
-0.45387840670859536 x 100 = -45.39%