94.21% is the change from 397 to 771
Calculation steps:
[( 771 - 397 ) ÷ 397] x 100 = 94.21%
Formula
Percentage change = [(771 - 397) / 397] x 100
Subtract the new number by the original number
771 - 397 = 374
374 ÷ 397 = 0.9420654911838791
0.9420654911838791 x 100 = 94.21%