-95.66% is the change from 346 to 15
Calculation steps:
[( 15 - 346 ) ÷ 346] x 100 = -95.66%
Formula
Percentage change = [(15 - 346) / 346] x 100
Subtract the new number by the original number
15 - 346 = -331
-331 ÷ 346 = -0.9566473988439307
-0.9566473988439307 x 100 = -95.66%