139.84% is the change from 384 to 921
Calculation steps:
[( 921 - 384 ) ÷ 384] x 100 = 139.84%
Formula
Percentage change = [(921 - 384) / 384] x 100
Subtract the new number by the original number
921 - 384 = 537
537 ÷ 384 = 1.3984375
1.3984375 x 100 = 139.84%