-83.68% is the change from 337 to 55
Calculation steps:
[( 55 - 337 ) ÷ 337] x 100 = -83.68%
Formula
Percentage change = [(55 - 337) / 337] x 100
Subtract the new number by the original number
55 - 337 = -282
-282 ÷ 337 = -0.8367952522255193
-0.8367952522255193 x 100 = -83.68%