128.93% is the change from 356 to 815
Calculation steps:
[( 815 - 356 ) ÷ 356] x 100 = 128.93%
Formula
Percentage change = [(815 - 356) / 356] x 100
Subtract the new number by the original number
815 - 356 = 459
459 ÷ 356 = 1.2893258426966292
1.2893258426966292 x 100 = 128.93%