47.13% is the change from 331 to 487
Calculation steps:
[( 487 - 331 ) ÷ 331] x 100 = 47.13%
Formula
Percentage change = [(487 - 331) / 331] x 100
Subtract the new number by the original number
487 - 331 = 156
156 ÷ 331 = 0.47129909365558914
0.47129909365558914 x 100 = 47.13%