138.75% is the change from 351 to 838
Calculation steps:
[( 838 - 351 ) ÷ 351] x 100 = 138.75%
Formula
Percentage change = [(838 - 351) / 351] x 100
Subtract the new number by the original number
838 - 351 = 487
487 ÷ 351 = 1.3874643874643875
1.3874643874643875 x 100 = 138.75%