-43.79% is the change from 902 to 507
Calculation steps:
[( 507 - 902 ) ÷ 902] x 100 = -43.79%
Formula
Percentage change = [(507 - 902) / 902] x 100
Subtract the new number by the original number
507 - 902 = -395
-395 ÷ 902 = -0.4379157427937916
-0.4379157427937916 x 100 = -43.79%