-17.72% is the change from 937 to 771
Calculation steps:
[( 771 - 937 ) ÷ 937] x 100 = -17.72%
Formula
Percentage change = [(771 - 937) / 937] x 100
Subtract the new number by the original number
771 - 937 = -166
-166 ÷ 937 = -0.17716115261472787
-0.17716115261472787 x 100 = -17.72%