128.43% is the change from 394 to 900
Calculation steps:
[( 900 - 394 ) ÷ 394] x 100 = 128.43%
Formula
Percentage change = [(900 - 394) / 394] x 100
Subtract the new number by the original number
900 - 394 = 506
506 ÷ 394 = 1.284263959390863
1.284263959390863 x 100 = 128.43%