-5.01% is the change from 938 to 891
Calculation steps:
[( 891 - 938 ) ÷ 938] x 100 = -5.01%
Formula
Percentage change = [(891 - 938) / 938] x 100
Subtract the new number by the original number
891 - 938 = -47
-47 ÷ 938 = -0.050106609808102345
-0.050106609808102345 x 100 = -5.01%