-21.17% is the change from 803 to 633
Calculation steps:
[( 633 - 803 ) ÷ 803] x 100 = -21.17%
Formula
Percentage change = [(633 - 803) / 803] x 100
Subtract the new number by the original number
633 - 803 = -170
-170 ÷ 803 = -0.21170610211706103
-0.21170610211706103 x 100 = -21.17%