134.06% is the change from 276 to 646
Calculation steps:
[( 646 - 276 ) ÷ 276] x 100 = 134.06%
Formula
Percentage change = [(646 - 276) / 276] x 100
Subtract the new number by the original number
646 - 276 = 370
370 ÷ 276 = 1.3405797101449275
1.3405797101449275 x 100 = 134.06%
Example