186.24% is the change from 109 to 312
Calculation steps:
[( 312 - 109 ) ÷ 109] x 100 = 186.24%
Formula
Percentage change = [(312 - 109) / 109] x 100
Subtract the new number by the original number
312 - 109 = 203
203 ÷ 109 = 1.8623853211009174
1.8623853211009174 x 100 = 186.24%