19.23% is the change from 78 to 93
Calculation steps:
[( 93 - 78 ) ÷ 78] x 100 = 19.23%
Formula
Percentage change = [(93 - 78) / 78] x 100
Subtract the new number by the original number
93 - 78 = 15
15 ÷ 78 = 0.19230769230769232
0.19230769230769232 x 100 = 19.23%