56.18% is the change from 178 to 278
Calculation steps:
[( 278 - 178 ) ÷ 178] x 100 = 56.18%
Formula
Percentage change = [(278 - 178) / 178] x 100
Subtract the new number by the original number
278 - 178 = 100
100 ÷ 178 = 0.5617977528089888
0.5617977528089888 x 100 = 56.18%