-99.23% is the change from 261 to 2
Calculation steps:
[( 2 - 261 ) ÷ 261] x 100 = -99.23%
Formula
Percentage change = [(2 - 261) / 261] x 100
Subtract the new number by the original number
2 - 261 = -259
-259 ÷ 261 = -0.9923371647509579
-0.9923371647509579 x 100 = -99.23%