139.44% is the change from 284 to 680
Calculation steps:
[( 680 - 284 ) ÷ 284] x 100 = 139.44%
Formula
Percentage change = [(680 - 284) / 284] x 100
Subtract the new number by the original number
680 - 284 = 396
396 ÷ 284 = 1.3943661971830985
1.3943661971830985 x 100 = 139.44%