-28.66% is the change from 485 to 346
Calculation steps:
[( 346 - 485 ) ÷ 485] x 100 = -28.66%
Formula
Percentage change = [(346 - 485) / 485] x 100
Subtract the new number by the original number
346 - 485 = -139
-139 ÷ 485 = -0.2865979381443299
-0.2865979381443299 x 100 = -28.66%