-7.06% is the change from 821 to 763
Calculation steps:
[( 763 - 821 ) ÷ 821] x 100 = -7.06%
Formula
Percentage change = [(763 - 821) / 821] x 100
Subtract the new number by the original number
763 - 821 = -58
-58 ÷ 821 = -0.07064555420219244
-0.07064555420219244 x 100 = -7.06%