-44.69% is the change from 942 to 521
Calculation steps:
[( 521 - 942 ) ÷ 942] x 100 = -44.69%
Formula
Percentage change = [(521 - 942) / 942] x 100
Subtract the new number by the original number
521 - 942 = -421
-421 ÷ 942 = -0.4469214437367304
-0.4469214437367304 x 100 = -44.69%