-91.26% is the change from 549 to 48
Calculation steps:
[( 48 - 549 ) ÷ 549] x 100 = -91.26%
Formula
Percentage change = [(48 - 549) / 549] x 100
Subtract the new number by the original number
48 - 549 = -501
-501 ÷ 549 = -0.912568306010929
-0.912568306010929 x 100 = -91.26%