-89.88% is the change from 603 to 61
Calculation steps:
[( 61 - 603 ) ÷ 603] x 100 = -89.88%
Formula
Percentage change = [(61 - 603) / 603] x 100
Subtract the new number by the original number
61 - 603 = -542
-542 ÷ 603 = -0.8988391376451078
-0.8988391376451078 x 100 = -89.88%