93.25% is the change from 400 to 773
Calculation steps:
[( 773 - 400 ) ÷ 400] x 100 = 93.25%
Formula
Percentage change = [(773 - 400) / 400] x 100
Subtract the new number by the original number
773 - 400 = 373
373 ÷ 400 = 0.9325
0.9325 x 100 = 93.25%