135.51% is the change from 214 to 504
Calculation steps:
[( 504 - 214 ) ÷ 214] x 100 = 135.51%
Formula
Percentage change = [(504 - 214) / 214] x 100
Subtract the new number by the original number
504 - 214 = 290
290 ÷ 214 = 1.355140186915888
1.355140186915888 x 100 = 135.51%