80.63% is the change from 191 to 345
Calculation steps:
[( 345 - 191 ) ÷ 191] x 100 = 80.63%
Formula
Percentage change = [(345 - 191) / 191] x 100
Subtract the new number by the original number
345 - 191 = 154
154 ÷ 191 = 0.806282722513089
0.806282722513089 x 100 = 80.63%