63.2% is the change from 231 to 377
Calculation steps:
[( 377 - 231 ) ÷ 231] x 100 = 63.2%
Formula
Percentage change = [(377 - 231) / 231] x 100
Subtract the new number by the original number
377 - 231 = 146
146 ÷ 231 = 0.6320346320346321
0.6320346320346321 x 100 = 63.2%