52.36% is the change from 191 to 291
Calculation steps:
[( 291 - 191 ) ÷ 191] x 100 = 52.36%
Formula
Percentage change = [(291 - 191) / 191] x 100
Subtract the new number by the original number
291 - 191 = 100
100 ÷ 191 = 0.5235602094240838
0.5235602094240838 x 100 = 52.36%