-3.36% is the change from 953 to 921
Calculation steps:
[( 921 - 953 ) ÷ 953] x 100 = -3.36%
Formula
Percentage change = [(921 - 953) / 953] x 100
Subtract the new number by the original number
921 - 953 = -32
-32 ÷ 953 = -0.033578174186778595
-0.033578174186778595 x 100 = -3.36%