-18.08% is the change from 343 to 281
Calculation steps:
[( 281 - 343 ) ÷ 343] x 100 = -18.08%
Formula
Percentage change = [(281 - 343) / 343] x 100
Subtract the new number by the original number
281 - 343 = -62
-62 ÷ 343 = -0.18075801749271136
-0.18075801749271136 x 100 = -18.08%