139.71% is the change from 277 to 664
Calculation steps:
[( 664 - 277 ) ÷ 277] x 100 = 139.71%
Formula
Percentage change = [(664 - 277) / 277] x 100
Subtract the new number by the original number
664 - 277 = 387
387 ÷ 277 = 1.3971119133574008
1.3971119133574008 x 100 = 139.71%