-9.02% is the change from 820 to 746
Calculation steps:
[( 746 - 820 ) ÷ 820] x 100 = -9.02%
Formula
Percentage change = [(746 - 820) / 820] x 100
Subtract the new number by the original number
746 - 820 = -74
-74 ÷ 820 = -0.09024390243902439
-0.09024390243902439 x 100 = -9.02%