-34.73% is the change from 976 to 637
Calculation steps:
[( 637 - 976 ) ÷ 976] x 100 = -34.73%
Formula
Percentage change = [(637 - 976) / 976] x 100
Subtract the new number by the original number
637 - 976 = -339
-339 ÷ 976 = -0.3473360655737705
-0.3473360655737705 x 100 = -34.73%