45.55% is the change from 191 to 278
Calculation steps:
[( 278 - 191 ) ÷ 191] x 100 = 45.55%
Formula
Percentage change = [(278 - 191) / 191] x 100
Subtract the new number by the original number
278 - 191 = 87
87 ÷ 191 = 0.45549738219895286
0.45549738219895286 x 100 = 45.55%