6.87% is the change from 786 to 840
Calculation steps:
[( 840 - 786 ) ÷ 786] x 100 = 6.87%
Formula
Percentage change = [(840 - 786) / 786] x 100
Subtract the new number by the original number
840 - 786 = 54
54 ÷ 786 = 0.06870229007633588
0.06870229007633588 x 100 = 6.87%