14.84% is the change from 155 to 178
Calculation steps:
[( 178 - 155 ) ÷ 155] x 100 = 14.84%
Formula
Percentage change = [(178 - 155) / 155] x 100
Subtract the new number by the original number
178 - 155 = 23
23 ÷ 155 = 0.14838709677419354
0.14838709677419354 x 100 = 14.84%