287.5% is the change from 160 to 620
Calculation steps:
[( 620 - 160 ) ÷ 160] x 100 = 287.5%
Formula
Percentage change = [(620 - 160) / 160] x 100
Subtract the new number by the original number
620 - 160 = 460
460 ÷ 160 = 2.875
2.875 x 100 = 287.5%
Example