21.08% is the change from 778 to 942
Calculation steps:
[( 942 - 778 ) ÷ 778] x 100 = 21.08%
Formula
Percentage change = [(942 - 778) / 778] x 100
Subtract the new number by the original number
942 - 778 = 164
164 ÷ 778 = 0.21079691516709512
0.21079691516709512 x 100 = 21.08%