-43.03% is the change from 904 to 515
Calculation steps:
[( 515 - 904 ) ÷ 904] x 100 = -43.03%
Formula
Percentage change = [(515 - 904) / 904] x 100
Subtract the new number by the original number
515 - 904 = -389
-389 ÷ 904 = -0.4303097345132743
-0.4303097345132743 x 100 = -43.03%