138.03% is the change from 213 to 507
Calculation steps:
[( 507 - 213 ) ÷ 213] x 100 = 138.03%
Formula
Percentage change = [(507 - 213) / 213] x 100
Subtract the new number by the original number
507 - 213 = 294
294 ÷ 213 = 1.380281690140845
1.380281690140845 x 100 = 138.03%