19.71% is the change from 771 to 923
Calculation steps:
[( 923 - 771 ) ÷ 771] x 100 = 19.71%
Formula
Percentage change = [(923 - 771) / 771] x 100
Subtract the new number by the original number
923 - 771 = 152
152 ÷ 771 = 0.19714656290531776
0.19714656290531776 x 100 = 19.71%