98.98% is the change from 392 to 780
Calculation steps:
[( 780 - 392 ) ÷ 392] x 100 = 98.98%
Formula
Percentage change = [(780 - 392) / 392] x 100
Subtract the new number by the original number
780 - 392 = 388
388 ÷ 392 = 0.9897959183673469
0.9897959183673469 x 100 = 98.98%