-94.49% is the change from 617 to 34
Calculation steps:
[( 34 - 617 ) ÷ 617] x 100 = -94.49%
Formula
Percentage change = [(34 - 617) / 617] x 100
Subtract the new number by the original number
34 - 617 = -583
-583 ÷ 617 = -0.9448946515397083
-0.9448946515397083 x 100 = -94.49%