-94.38% is the change from 605 to 34
Calculation steps:
[( 34 - 605 ) ÷ 605] x 100 = -94.38%
Formula
Percentage change = [(34 - 605) / 605] x 100
Subtract the new number by the original number
34 - 605 = -571
-571 ÷ 605 = -0.943801652892562
-0.943801652892562 x 100 = -94.38%