-93.81% is the change from 549 to 34
Calculation steps:
[( 34 - 549 ) ÷ 549] x 100 = -93.81%
Formula
Percentage change = [(34 - 549) / 549] x 100
Subtract the new number by the original number
34 - 549 = -515
-515 ÷ 549 = -0.9380692167577414
-0.9380692167577414 x 100 = -93.81%