277.78% is the change from 162 to 612
Calculation steps:
[( 612 - 162 ) ÷ 162] x 100 = 277.78%
Formula
Percentage change = [(612 - 162) / 162] x 100
Subtract the new number by the original number
612 - 162 = 450
450 ÷ 162 = 2.7777777777777777
2.7777777777777777 x 100 = 277.78%