141.04% is the change from 268 to 646
Calculation steps:
[( 646 - 268 ) ÷ 268] x 100 = 141.04%
Formula
Percentage change = [(646 - 268) / 268] x 100
Subtract the new number by the original number
646 - 268 = 378
378 ÷ 268 = 1.4104477611940298
1.4104477611940298 x 100 = 141.04%