-30.48% is the change from 922 to 641
Calculation steps:
[( 641 - 922 ) ÷ 922] x 100 = -30.48%
Formula
Percentage change = [(641 - 922) / 922] x 100
Subtract the new number by the original number
641 - 922 = -281
-281 ÷ 922 = -0.3047722342733189
-0.3047722342733189 x 100 = -30.48%