-17.92% is the change from 346 to 284
Calculation steps:
[( 284 - 346 ) ÷ 346] x 100 = -17.92%
Formula
Percentage change = [(284 - 346) / 346] x 100
Subtract the new number by the original number
284 - 346 = -62
-62 ÷ 346 = -0.1791907514450867
-0.1791907514450867 x 100 = -17.92%