-83.09% is the change from 337 to 57
Calculation steps:
[( 57 - 337 ) ÷ 337] x 100 = -83.09%
Formula
Percentage change = [(57 - 337) / 337] x 100
Subtract the new number by the original number
57 - 337 = -280
-280 ÷ 337 = -0.8308605341246291
-0.8308605341246291 x 100 = -83.09%