144.34% is the change from 221 to 540
Calculation steps:
[( 540 - 221 ) ÷ 221] x 100 = 144.34%
Formula
Percentage change = [(540 - 221) / 221] x 100
Subtract the new number by the original number
540 - 221 = 319
319 ÷ 221 = 1.4434389140271493
1.4434389140271493 x 100 = 144.34%