185.71% is the change from 315 to 900
Calculation steps:
[( 900 - 315 ) ÷ 315] x 100 = 185.71%
Formula
Percentage change = [(900 - 315) / 315] x 100
Subtract the new number by the original number
900 - 315 = 585
585 ÷ 315 = 1.8571428571428572
1.8571428571428572 x 100 = 185.71%