40.41% is the change from 688 to 966
Calculation steps:
[( 966 - 688 ) ÷ 688] x 100 = 40.41%
Formula
Percentage change = [(966 - 688) / 688] x 100
Subtract the new number by the original number
966 - 688 = 278
278 ÷ 688 = 0.40406976744186046
0.40406976744186046 x 100 = 40.41%