94% is the change from 400 to 776
Calculation steps:
[( 776 - 400 ) ÷ 400] x 100 = 94%
Formula
Percentage change = [(776 - 400) / 400] x 100
Subtract the new number by the original number
776 - 400 = 376
376 ÷ 400 = 0.94
0.94 x 100 = 94%
Example