257.04% is the change from 142 to 507
Calculation steps:
[( 507 - 142 ) ÷ 142] x 100 = 257.04%
Formula
Percentage change = [(507 - 142) / 142] x 100
Subtract the new number by the original number
507 - 142 = 365
365 ÷ 142 = 2.5704225352112675
2.5704225352112675 x 100 = 257.04%