42.3% is the change from 688 to 979
Calculation steps:
[( 979 - 688 ) ÷ 688] x 100 = 42.3%
Formula
Percentage change = [(979 - 688) / 688] x 100
Subtract the new number by the original number
979 - 688 = 291
291 ÷ 688 = 0.42296511627906974
0.42296511627906974 x 100 = 42.3%