63.75% is the change from 331 to 542
Calculation steps:
[( 542 - 331 ) ÷ 331] x 100 = 63.75%
Formula
Percentage change = [(542 - 331) / 331] x 100
Subtract the new number by the original number
542 - 331 = 211
211 ÷ 331 = 0.6374622356495468
0.6374622356495468 x 100 = 63.75%