-84.87% is the change from 337 to 51
Calculation steps:
[( 51 - 337 ) ÷ 337] x 100 = -84.87%
Formula
Percentage change = [(51 - 337) / 337] x 100
Subtract the new number by the original number
51 - 337 = -286
-286 ÷ 337 = -0.8486646884272997
-0.8486646884272997 x 100 = -84.87%