-29.88% is the change from 492 to 345
Calculation steps:
[( 345 - 492 ) ÷ 492] x 100 = -29.88%
Formula
Percentage change = [(345 - 492) / 492] x 100
Subtract the new number by the original number
345 - 492 = -147
-147 ÷ 492 = -0.29878048780487804
-0.29878048780487804 x 100 = -29.88%