-99.37% is the change from 318 to 2
Calculation steps:
[( 2 - 318 ) ÷ 318] x 100 = -99.37%
Formula
Percentage change = [(2 - 318) / 318] x 100
Subtract the new number by the original number
2 - 318 = -316
-316 ÷ 318 = -0.9937106918238994
-0.9937106918238994 x 100 = -99.37%