-15.43% is the change from 337 to 285
Calculation steps:
[( 285 - 337 ) ÷ 337] x 100 = -15.43%
Formula
Percentage change = [(285 - 337) / 337] x 100
Subtract the new number by the original number
285 - 337 = -52
-52 ÷ 337 = -0.1543026706231454
-0.1543026706231454 x 100 = -15.43%