-89.93% is the change from 606 to 61
Calculation steps:
[( 61 - 606 ) ÷ 606] x 100 = -89.93%
Formula
Percentage change = [(61 - 606) / 606] x 100
Subtract the new number by the original number
61 - 606 = -545
-545 ÷ 606 = -0.8993399339933993
-0.8993399339933993 x 100 = -89.93%