-94.26% is the change from 505 to 29
Calculation steps:
[( 29 - 505 ) ÷ 505] x 100 = -94.26%
Formula
Percentage change = [(29 - 505) / 505] x 100
Subtract the new number by the original number
29 - 505 = -476
-476 ÷ 505 = -0.9425742574257425
-0.9425742574257425 x 100 = -94.26%