150% is the change from 222 to 555
Calculation steps:
[( 555 - 222 ) ÷ 222] x 100 = 150%
Formula
Percentage change = [(555 - 222) / 222] x 100
Subtract the new number by the original number
555 - 222 = 333
333 ÷ 222 = 1.5
1.5 x 100 = 150%
Example