158.2% is the change from 122 to 315
Calculation steps:
[( 315 - 122 ) ÷ 122] x 100 = 158.2%
Formula
Percentage change = [(315 - 122) / 122] x 100
Subtract the new number by the original number
315 - 122 = 193
193 ÷ 122 = 1.5819672131147542
1.5819672131147542 x 100 = 158.2%