-29.76% is the change from 494 to 347
Calculation steps:
[( 347 - 494 ) ÷ 494] x 100 = -29.76%
Formula
Percentage change = [(347 - 494) / 494] x 100
Subtract the new number by the original number
347 - 494 = -147
-147 ÷ 494 = -0.2975708502024291
-0.2975708502024291 x 100 = -29.76%