-97.4% is the change from 653 to 17
Calculation steps:
[( 17 - 653 ) ÷ 653] x 100 = -97.4%
Formula
Percentage change = [(17 - 653) / 653] x 100
Subtract the new number by the original number
17 - 653 = -636
-636 ÷ 653 = -0.9739663093415007
-0.9739663093415007 x 100 = -97.4%