38.05% is the change from 686 to 947
Calculation steps:
[( 947 - 686 ) ÷ 686] x 100 = 38.05%
Formula
Percentage change = [(947 - 686) / 686] x 100
Subtract the new number by the original number
947 - 686 = 261
261 ÷ 686 = 0.380466472303207
0.380466472303207 x 100 = 38.05%