-90.98% is the change from 599 to 54
Calculation steps:
[( 54 - 599 ) ÷ 599] x 100 = -90.98%
Formula
Percentage change = [(54 - 599) / 599] x 100
Subtract the new number by the original number
54 - 599 = -545
-545 ÷ 599 = -0.9098497495826378
-0.9098497495826378 x 100 = -90.98%