-97.2% is the change from 607 to 17
Calculation steps:
[( 17 - 607 ) ÷ 607] x 100 = -97.2%
Formula
Percentage change = [(17 - 607) / 607] x 100
Subtract the new number by the original number
17 - 607 = -590
-590 ÷ 607 = -0.9719934102141681
-0.9719934102141681 x 100 = -97.2%