172.73% is the change from 121 to 330
Calculation steps:
[( 330 - 121 ) ÷ 121] x 100 = 172.73%
Formula
Percentage change = [(330 - 121) / 121] x 100
Subtract the new number by the original number
330 - 121 = 209
209 ÷ 121 = 1.7272727272727273
1.7272727272727273 x 100 = 172.73%