138.38% is the change from 284 to 677
Calculation steps:
[( 677 - 284 ) ÷ 284] x 100 = 138.38%
Formula
Percentage change = [(677 - 284) / 284] x 100
Subtract the new number by the original number
677 - 284 = 393
393 ÷ 284 = 1.3838028169014085
1.3838028169014085 x 100 = 138.38%