83.12% is the change from 237 to 434
Calculation steps:
[( 434 - 237 ) ÷ 237] x 100 = 83.12%
Formula
Percentage change = [(434 - 237) / 237] x 100
Subtract the new number by the original number
434 - 237 = 197
197 ÷ 237 = 0.8312236286919831
0.8312236286919831 x 100 = 83.12%