-94.29% is the change from 508 to 29
Calculation steps:
[( 29 - 508 ) ÷ 508] x 100 = -94.29%
Formula
Percentage change = [(29 - 508) / 508] x 100
Subtract the new number by the original number
29 - 508 = -479
-479 ÷ 508 = -0.9429133858267716
-0.9429133858267716 x 100 = -94.29%