-91.26% is the change from 618 to 54
Calculation steps:
[( 54 - 618 ) ÷ 618] x 100 = -91.26%
Formula
Percentage change = [(54 - 618) / 618] x 100
Subtract the new number by the original number
54 - 618 = -564
-564 ÷ 618 = -0.912621359223301
-0.912621359223301 x 100 = -91.26%