-81.2% is the change from 516 to 97
Calculation steps:
[( 97 - 516 ) ÷ 516] x 100 = -81.2%
Formula
Percentage change = [(97 - 516) / 516] x 100
Subtract the new number by the original number
97 - 516 = -419
-419 ÷ 516 = -0.812015503875969
-0.812015503875969 x 100 = -81.2%