134.86% is the change from 284 to 667
Calculation steps:
[( 667 - 284 ) ÷ 284] x 100 = 134.86%
Formula
Percentage change = [(667 - 284) / 284] x 100
Subtract the new number by the original number
667 - 284 = 383
383 ÷ 284 = 1.3485915492957747
1.3485915492957747 x 100 = 134.86%