187.88% is the change from 99 to 285
Calculation steps:
[( 285 - 99 ) ÷ 99] x 100 = 187.88%
Formula
Percentage change = [(285 - 99) / 99] x 100
Subtract the new number by the original number
285 - 99 = 186
186 ÷ 99 = 1.878787878787879
1.878787878787879 x 100 = 187.88%