60.61% is the change from 231 to 371
Calculation steps:
[( 371 - 231 ) ÷ 231] x 100 = 60.61%
Formula
Percentage change = [(371 - 231) / 231] x 100
Subtract the new number by the original number
371 - 231 = 140
140 ÷ 231 = 0.6060606060606061
0.6060606060606061 x 100 = 60.61%