98.97% is the change from 387 to 770
Calculation steps:
[( 770 - 387 ) ÷ 387] x 100 = 98.97%
Formula
Percentage change = [(770 - 387) / 387] x 100
Subtract the new number by the original number
770 - 387 = 383
383 ÷ 387 = 0.9896640826873385
0.9896640826873385 x 100 = 98.97%