134.59% is the change from 344 to 807
Calculation steps:
[( 807 - 344 ) ÷ 344] x 100 = 134.59%
Formula
Percentage change = [(807 - 344) / 344] x 100
Subtract the new number by the original number
807 - 344 = 463
463 ÷ 344 = 1.3459302325581395
1.3459302325581395 x 100 = 134.59%