-18.44% is the change from 347 to 283
Calculation steps:
[( 283 - 347 ) ÷ 347] x 100 = -18.44%
Formula
Percentage change = [(283 - 347) / 347] x 100
Subtract the new number by the original number
283 - 347 = -64
-64 ÷ 347 = -0.1844380403458213
-0.1844380403458213 x 100 = -18.44%