89.18% is the change from 231 to 437
Calculation steps:
[( 437 - 231 ) ÷ 231] x 100 = 89.18%
Formula
Percentage change = [(437 - 231) / 231] x 100
Subtract the new number by the original number
437 - 231 = 206
206 ÷ 231 = 0.8917748917748918
0.8917748917748918 x 100 = 89.18%