350% is the change from 78 to 351
Calculation steps:
[( 351 - 78 ) ÷ 78] x 100 = 350%
Formula
Percentage change = [(351 - 78) / 78] x 100
Subtract the new number by the original number
351 - 78 = 273
273 ÷ 78 = 3.5
3.5 x 100 = 350%
Example