-34.42% is the change from 982 to 644
Calculation steps:
[( 644 - 982 ) ÷ 982] x 100 = -34.42%
Formula
Percentage change = [(644 - 982) / 982] x 100
Subtract the new number by the original number
644 - 982 = -338
-338 ÷ 982 = -0.34419551934826886
-0.34419551934826886 x 100 = -34.42%