-84.02% is the change from 607 to 97
Calculation steps:
[( 97 - 607 ) ÷ 607] x 100 = -84.02%
Formula
Percentage change = [(97 - 607) / 607] x 100
Subtract the new number by the original number
97 - 607 = -510
-510 ÷ 607 = -0.8401976935749588
-0.8401976935749588 x 100 = -84.02%