188.99% is the change from 109 to 315
Calculation steps:
[( 315 - 109 ) ÷ 109] x 100 = 188.99%
Formula
Percentage change = [(315 - 109) / 109] x 100
Subtract the new number by the original number
315 - 109 = 206
206 ÷ 109 = 1.889908256880734
1.889908256880734 x 100 = 188.99%