161.47% is the change from 109 to 285
Calculation steps:
[( 285 - 109 ) ÷ 109] x 100 = 161.47%
Formula
Percentage change = [(285 - 109) / 109] x 100
Subtract the new number by the original number
285 - 109 = 176
176 ÷ 109 = 1.614678899082569
1.614678899082569 x 100 = 161.47%