50.15% is the change from 337 to 506
Calculation steps:
[( 506 - 337 ) ÷ 337] x 100 = 50.15%
Formula
Percentage change = [(506 - 337) / 337] x 100
Subtract the new number by the original number
506 - 337 = 169
169 ÷ 337 = 0.5014836795252225
0.5014836795252225 x 100 = 50.15%