-99.27% is the change from 274 to 2
Calculation steps:
[( 2 - 274 ) ÷ 274] x 100 = -99.27%
Formula
Percentage change = [(2 - 274) / 274] x 100
Subtract the new number by the original number
2 - 274 = -272
-272 ÷ 274 = -0.9927007299270073
-0.9927007299270073 x 100 = -99.27%