-18.64% is the change from 778 to 633
Calculation steps:
[( 633 - 778 ) ÷ 778] x 100 = -18.64%
Formula
Percentage change = [(633 - 778) / 778] x 100
Subtract the new number by the original number
633 - 778 = -145
-145 ÷ 778 = -0.18637532133676094
-0.18637532133676094 x 100 = -18.64%