-35.14% is the change from 979 to 635
Calculation steps:
[( 635 - 979 ) ÷ 979] x 100 = -35.14%
Formula
Percentage change = [(635 - 979) / 979] x 100
Subtract the new number by the original number
635 - 979 = -344
-344 ÷ 979 = -0.35137895812053116
-0.35137895812053116 x 100 = -35.14%