262.5% is the change from 120 to 435
Calculation steps:
[( 435 - 120 ) ÷ 120] x 100 = 262.5%
Formula
Percentage change = [(435 - 120) / 120] x 100
Subtract the new number by the original number
435 - 120 = 315
315 ÷ 120 = 2.625
2.625 x 100 = 262.5%
Example