102.84% is the change from 388 to 787
Calculation steps:
[( 787 - 388 ) ÷ 388] x 100 = 102.84%
Formula
Percentage change = [(787 - 388) / 388] x 100
Subtract the new number by the original number
787 - 388 = 399
399 ÷ 388 = 1.0283505154639174
1.0283505154639174 x 100 = 102.84%