-95.04% is the change from 605 to 30
Calculation steps:
[( 30 - 605 ) ÷ 605] x 100 = -95.04%
Formula
Percentage change = [(30 - 605) / 605] x 100
Subtract the new number by the original number
30 - 605 = -575
-575 ÷ 605 = -0.9504132231404959
-0.9504132231404959 x 100 = -95.04%