121.79% is the change from 156 to 346
Calculation steps:
[( 346 - 156 ) ÷ 156] x 100 = 121.79%
Formula
Percentage change = [(346 - 156) / 156] x 100
Subtract the new number by the original number
346 - 156 = 190
190 ÷ 156 = 1.2179487179487178
1.2179487179487178 x 100 = 121.79%