153.05% is the change from 394 to 997
Calculation steps:
[( 997 - 394 ) ÷ 394] x 100 = 153.05%
Formula
Percentage change = [(997 - 394) / 394] x 100
Subtract the new number by the original number
997 - 394 = 603
603 ÷ 394 = 1.5304568527918783
1.5304568527918783 x 100 = 153.05%