39.77% is the change from 684 to 956
Calculation steps:
[( 956 - 684 ) ÷ 684] x 100 = 39.77%
Formula
Percentage change = [(956 - 684) / 684] x 100
Subtract the new number by the original number
956 - 684 = 272
272 ÷ 684 = 0.39766081871345027
0.39766081871345027 x 100 = 39.77%