-15.73% is the change from 337 to 284
Calculation steps:
[( 284 - 337 ) ÷ 337] x 100 = -15.73%
Formula
Percentage change = [(284 - 337) / 337] x 100
Subtract the new number by the original number
284 - 337 = -53
-53 ÷ 337 = -0.1572700296735905
-0.1572700296735905 x 100 = -15.73%