-91.19% is the change from 545 to 48
Calculation steps:
[( 48 - 545 ) ÷ 545] x 100 = -91.19%
Formula
Percentage change = [(48 - 545) / 545] x 100
Subtract the new number by the original number
48 - 545 = -497
-497 ÷ 545 = -0.9119266055045872
-0.9119266055045872 x 100 = -91.19%