-84.12% is the change from 611 to 97
Calculation steps:
[( 97 - 611 ) ÷ 611] x 100 = -84.12%
Formula
Percentage change = [(97 - 611) / 611] x 100
Subtract the new number by the original number
97 - 611 = -514
-514 ÷ 611 = -0.8412438625204582
-0.8412438625204582 x 100 = -84.12%