21.4% is the change from 771 to 936
Calculation steps:
[( 936 - 771 ) ÷ 771] x 100 = 21.4%
Formula
Percentage change = [(936 - 771) / 771] x 100
Subtract the new number by the original number
936 - 771 = 165
165 ÷ 771 = 0.2140077821011673
0.2140077821011673 x 100 = 21.4%