122.94% is the change from 109 to 243
Calculation steps:
[( 243 - 109 ) ÷ 109] x 100 = 122.94%
Formula
Percentage change = [(243 - 109) / 109] x 100
Subtract the new number by the original number
243 - 109 = 134
134 ÷ 109 = 1.2293577981651376
1.2293577981651376 x 100 = 122.94%