-92.17% is the change from 549 to 43
Calculation steps:
[( 43 - 549 ) ÷ 549] x 100 = -92.17%
Formula
Percentage change = [(43 - 549) / 549] x 100
Subtract the new number by the original number
43 - 549 = -506
-506 ÷ 549 = -0.9216757741347905
-0.9216757741347905 x 100 = -92.17%