87.01% is the change from 331 to 619
Calculation steps:
[( 619 - 331 ) ÷ 331] x 100 = 87.01%
Formula
Percentage change = [(619 - 331) / 331] x 100
Subtract the new number by the original number
619 - 331 = 288
288 ÷ 331 = 0.8700906344410876
0.8700906344410876 x 100 = 87.01%