262.77% is the change from 137 to 497
Calculation steps:
[( 497 - 137 ) ÷ 137] x 100 = 262.77%
Formula
Percentage change = [(497 - 137) / 137] x 100
Subtract the new number by the original number
497 - 137 = 360
360 ÷ 137 = 2.627737226277372
2.627737226277372 x 100 = 262.77%