122.22% is the change from 243 to 540
Calculation steps:
[( 540 - 243 ) ÷ 243] x 100 = 122.22%
Formula
Percentage change = [(540 - 243) / 243] x 100
Subtract the new number by the original number
540 - 243 = 297
297 ÷ 243 = 1.2222222222222223
1.2222222222222223 x 100 = 122.22%