67.62% is the change from 386 to 647
Calculation steps:
[( 647 - 386 ) ÷ 386] x 100 = 67.62%
Formula
Percentage change = [(647 - 386) / 386] x 100
Subtract the new number by the original number
647 - 386 = 261
261 ÷ 386 = 0.6761658031088082
0.6761658031088082 x 100 = 67.62%