190.32% is the change from 310 to 900
Calculation steps:
[( 900 - 310 ) ÷ 310] x 100 = 190.32%
Formula
Percentage change = [(900 - 310) / 310] x 100
Subtract the new number by the original number
900 - 310 = 590
590 ÷ 310 = 1.903225806451613
1.903225806451613 x 100 = 190.32%