199.05% is the change from 315 to 942
Calculation steps:
[( 942 - 315 ) ÷ 315] x 100 = 199.05%
Formula
Percentage change = [(942 - 315) / 315] x 100
Subtract the new number by the original number
942 - 315 = 627
627 ÷ 315 = 1.9904761904761905
1.9904761904761905 x 100 = 199.05%