129.41% is the change from 221 to 507
Calculation steps:
[( 507 - 221 ) ÷ 221] x 100 = 129.41%
Formula
Percentage change = [(507 - 221) / 221] x 100
Subtract the new number by the original number
507 - 221 = 286
286 ÷ 221 = 1.2941176470588236
1.2941176470588236 x 100 = 129.41%