-99.49% is the change from 392 to 2
Calculation steps:
[( 2 - 392 ) ÷ 392] x 100 = -99.49%
Formula
Percentage change = [(2 - 392) / 392] x 100
Subtract the new number by the original number
2 - 392 = -390
-390 ÷ 392 = -0.9948979591836735
-0.9948979591836735 x 100 = -99.49%