-94.72% is the change from 549 to 29
Calculation steps:
[( 29 - 549 ) ÷ 549] x 100 = -94.72%
Formula
Percentage change = [(29 - 549) / 549] x 100
Subtract the new number by the original number
29 - 549 = -520
-520 ÷ 549 = -0.9471766848816029
-0.9471766848816029 x 100 = -94.72%