81.11% is the change from 397 to 719
Calculation steps:
[( 719 - 397 ) ÷ 397] x 100 = 81.11%
Formula
Percentage change = [(719 - 397) / 397] x 100
Subtract the new number by the original number
719 - 397 = 322
322 ÷ 397 = 0.8110831234256927
0.8110831234256927 x 100 = 81.11%