-76.86% is the change from 497 to 115
Calculation steps:
[( 115 - 497 ) ÷ 497] x 100 = -76.86%
Formula
Percentage change = [(115 - 497) / 497] x 100
Subtract the new number by the original number
115 - 497 = -382
-382 ÷ 497 = -0.7686116700201208
-0.7686116700201208 x 100 = -76.86%