-18.53% is the change from 777 to 633
Calculation steps:
[( 633 - 777 ) ÷ 777] x 100 = -18.53%
Formula
Percentage change = [(633 - 777) / 777] x 100
Subtract the new number by the original number
633 - 777 = -144
-144 ÷ 777 = -0.18532818532818532
-0.18532818532818532 x 100 = -18.53%