137.39% is the change from 337 to 800
Calculation steps:
[( 800 - 337 ) ÷ 337] x 100 = 137.39%
Formula
Percentage change = [(800 - 337) / 337] x 100
Subtract the new number by the original number
800 - 337 = 463
463 ÷ 337 = 1.3738872403560831
1.3738872403560831 x 100 = 137.39%