-99.27% is the change from 275 to 2
Calculation steps:
[( 2 - 275 ) ÷ 275] x 100 = -99.27%
Formula
Percentage change = [(2 - 275) / 275] x 100
Subtract the new number by the original number
2 - 275 = -273
-273 ÷ 275 = -0.9927272727272727
-0.9927272727272727 x 100 = -99.27%