-71.1% is the change from 346 to 100
Calculation steps:
[( 100 - 346 ) ÷ 346] x 100 = -71.1%
Formula
Percentage change = [(100 - 346) / 346] x 100
Subtract the new number by the original number
100 - 346 = -246
-246 ÷ 346 = -0.7109826589595376
-0.7109826589595376 x 100 = -71.1%