11.71% is the change from 615 to 687
Calculation steps:
[( 687 - 615 ) ÷ 615] x 100 = 11.71%
Formula
Percentage change = [(687 - 615) / 615] x 100
Subtract the new number by the original number
687 - 615 = 72
72 ÷ 615 = 0.11707317073170732
0.11707317073170732 x 100 = 11.71%