81.4% is the change from 387 to 702
Calculation steps:
[( 702 - 387 ) ÷ 387] x 100 = 81.4%
Formula
Percentage change = [(702 - 387) / 387] x 100
Subtract the new number by the original number
702 - 387 = 315
315 ÷ 387 = 0.813953488372093
0.813953488372093 x 100 = 81.4%