-94.09% is the change from 491 to 29
Calculation steps:
[( 29 - 491 ) ÷ 491] x 100 = -94.09%
Formula
Percentage change = [(29 - 491) / 491] x 100
Subtract the new number by the original number
29 - 491 = -462
-462 ÷ 491 = -0.9409368635437881
-0.9409368635437881 x 100 = -94.09%