121.69% is the change from 438 to 971
Calculation steps:
[( 971 - 438 ) ÷ 438] x 100 = 121.69%
Formula
Percentage change = [(971 - 438) / 438] x 100
Subtract the new number by the original number
971 - 438 = 533
533 ÷ 438 = 1.2168949771689497
1.2168949771689497 x 100 = 121.69%