-44.22% is the change from 934 to 521
Calculation steps:
[( 521 - 934 ) ÷ 934] x 100 = -44.22%
Formula
Percentage change = [(521 - 934) / 934] x 100
Subtract the new number by the original number
521 - 934 = -413
-413 ÷ 934 = -0.4421841541755889
-0.4421841541755889 x 100 = -44.22%