202.47% is the change from 81 to 245
Calculation steps:
[( 245 - 81 ) ÷ 81] x 100 = 202.47%
Formula
Percentage change = [(245 - 81) / 81] x 100
Subtract the new number by the original number
245 - 81 = 164
164 ÷ 81 = 2.0246913580246915
2.0246913580246915 x 100 = 202.47%