78.85% is the change from 156 to 279
Calculation steps:
[( 279 - 156 ) ÷ 156] x 100 = 78.85%
Formula
Percentage change = [(279 - 156) / 156] x 100
Subtract the new number by the original number
279 - 156 = 123
123 ÷ 156 = 0.7884615384615384
0.7884615384615384 x 100 = 78.85%