-15.67% is the change from 938 to 791
Calculation steps:
[( 791 - 938 ) ÷ 938] x 100 = -15.67%
Formula
Percentage change = [(791 - 938) / 938] x 100
Subtract the new number by the original number
791 - 938 = -147
-147 ÷ 938 = -0.15671641791044777
-0.15671641791044777 x 100 = -15.67%