-31.36% is the change from 928 to 637
Calculation steps:
[( 637 - 928 ) ÷ 928] x 100 = -31.36%
Formula
Percentage change = [(637 - 928) / 928] x 100
Subtract the new number by the original number
637 - 928 = -291
-291 ÷ 928 = -0.3135775862068966
-0.3135775862068966 x 100 = -31.36%