143.21% is the change from 81 to 197
Calculation steps:
[( 197 - 81 ) ÷ 81] x 100 = 143.21%
Formula
Percentage change = [(197 - 81) / 81] x 100
Subtract the new number by the original number
197 - 81 = 116
116 ÷ 81 = 1.4320987654320987
1.4320987654320987 x 100 = 143.21%