-21.46% is the change from 806 to 633
Calculation steps:
[( 633 - 806 ) ÷ 806] x 100 = -21.46%
Formula
Percentage change = [(633 - 806) / 806] x 100
Subtract the new number by the original number
633 - 806 = -173
-173 ÷ 806 = -0.21464019851116625
-0.21464019851116625 x 100 = -21.46%