41.13% is the change from 688 to 971
Calculation steps:
[( 971 - 688 ) ÷ 688] x 100 = 41.13%
Formula
Percentage change = [(971 - 688) / 688] x 100
Subtract the new number by the original number
971 - 688 = 283
283 ÷ 688 = 0.4113372093023256
0.4113372093023256 x 100 = 41.13%