-91.03% is the change from 602 to 54
Calculation steps:
[( 54 - 602 ) ÷ 602] x 100 = -91.03%
Formula
Percentage change = [(54 - 602) / 602] x 100
Subtract the new number by the original number
54 - 602 = -548
-548 ÷ 602 = -0.9102990033222591
-0.9102990033222591 x 100 = -91.03%