-99.71% is the change from 348 to 1
Calculation steps:
[( 1 - 348 ) ÷ 348] x 100 = -99.71%
Formula
Percentage change = [(1 - 348) / 348] x 100
Subtract the new number by the original number
1 - 348 = -347
-347 ÷ 348 = -0.9971264367816092
-0.9971264367816092 x 100 = -99.71%