-6.35% is the change from 819 to 767
Calculation steps:
[( 767 - 819 ) ÷ 819] x 100 = -6.35%
Formula
Percentage change = [(767 - 819) / 819] x 100
Subtract the new number by the original number
767 - 819 = -52
-52 ÷ 819 = -0.06349206349206349
-0.06349206349206349 x 100 = -6.35%