51.56% is the change from 192 to 291
Calculation steps:
[( 291 - 192 ) ÷ 192] x 100 = 51.56%
Formula
Percentage change = [(291 - 192) / 192] x 100
Subtract the new number by the original number
291 - 192 = 99
99 ÷ 192 = 0.515625
0.515625 x 100 = 51.56%