-97.22% is the change from 611 to 17
Calculation steps:
[( 17 - 611 ) ÷ 611] x 100 = -97.22%
Formula
Percentage change = [(17 - 611) / 611] x 100
Subtract the new number by the original number
17 - 611 = -594
-594 ÷ 611 = -0.972176759410802
-0.972176759410802 x 100 = -97.22%