268.61% is the change from 137 to 505
Calculation steps:
[( 505 - 137 ) ÷ 137] x 100 = 268.61%
Formula
Percentage change = [(505 - 137) / 137] x 100
Subtract the new number by the original number
505 - 137 = 368
368 ÷ 137 = 2.6861313868613137
2.6861313868613137 x 100 = 268.61%