-12.94% is the change from 943 to 821
Calculation steps:
[( 821 - 943 ) ÷ 943] x 100 = -12.94%
Formula
Percentage change = [(821 - 943) / 943] x 100
Subtract the new number by the original number
821 - 943 = -122
-122 ÷ 943 = -0.12937433722163308
-0.12937433722163308 x 100 = -12.94%