-94.23% is the change from 503 to 29
Calculation steps:
[( 29 - 503 ) ÷ 503] x 100 = -94.23%
Formula
Percentage change = [(29 - 503) / 503] x 100
Subtract the new number by the original number
29 - 503 = -474
-474 ÷ 503 = -0.9423459244532804
-0.9423459244532804 x 100 = -94.23%