-82.14% is the change from 515 to 92
Calculation steps:
[( 92 - 515 ) ÷ 515] x 100 = -82.14%
Formula
Percentage change = [(92 - 515) / 515] x 100
Subtract the new number by the original number
92 - 515 = -423
-423 ÷ 515 = -0.8213592233009709
-0.8213592233009709 x 100 = -82.14%