223.97% is the change from 121 to 392
Calculation steps:
[( 392 - 121 ) ÷ 121] x 100 = 223.97%
Formula
Percentage change = [(392 - 121) / 121] x 100
Subtract the new number by the original number
392 - 121 = 271
271 ÷ 121 = 2.239669421487603
2.239669421487603 x 100 = 223.97%