-90.1% is the change from 606 to 60
Calculation steps:
[( 60 - 606 ) ÷ 606] x 100 = -90.1%
Formula
Percentage change = [(60 - 606) / 606] x 100
Subtract the new number by the original number
60 - 606 = -546
-546 ÷ 606 = -0.900990099009901
-0.900990099009901 x 100 = -90.1%