-91.57% is the change from 617 to 52
Calculation steps:
[( 52 - 617 ) ÷ 617] x 100 = -91.57%
Formula
Percentage change = [(52 - 617) / 617] x 100
Subtract the new number by the original number
52 - 617 = -565
-565 ÷ 617 = -0.9157212317666127
-0.9157212317666127 x 100 = -91.57%