-95.05% is the change from 606 to 30
Calculation steps:
[( 30 - 606 ) ÷ 606] x 100 = -95.05%
Formula
Percentage change = [(30 - 606) / 606] x 100
Subtract the new number by the original number
30 - 606 = -576
-576 ÷ 606 = -0.9504950495049505
-0.9504950495049505 x 100 = -95.05%