-90.8% is the change from 598 to 55
Calculation steps:
[( 55 - 598 ) ÷ 598] x 100 = -90.8%
Formula
Percentage change = [(55 - 598) / 598] x 100
Subtract the new number by the original number
55 - 598 = -543
-543 ÷ 598 = -0.9080267558528428
-0.9080267558528428 x 100 = -90.8%