29.57% is the change from 771 to 999
Calculation steps:
[( 999 - 771 ) ÷ 771] x 100 = 29.57%
Formula
Percentage change = [(999 - 771) / 771] x 100
Subtract the new number by the original number
999 - 771 = 228
228 ÷ 771 = 0.29571984435797666
0.29571984435797666 x 100 = 29.57%