151.85% is the change from 243 to 612
Calculation steps:
[( 612 - 243 ) ÷ 243] x 100 = 151.85%
Formula
Percentage change = [(612 - 243) / 243] x 100
Subtract the new number by the original number
612 - 243 = 369
369 ÷ 243 = 1.5185185185185186
1.5185185185185186 x 100 = 151.85%