-4.86% is the change from 968 to 921
Calculation steps:
[( 921 - 968 ) ÷ 968] x 100 = -4.86%
Formula
Percentage change = [(921 - 968) / 968] x 100
Subtract the new number by the original number
921 - 968 = -47
-47 ÷ 968 = -0.04855371900826446
-0.04855371900826446 x 100 = -4.86%