-19.33% is the change from 931 to 751
Calculation steps:
[( 751 - 931 ) ÷ 931] x 100 = -19.33%
Formula
Percentage change = [(751 - 931) / 931] x 100
Subtract the new number by the original number
751 - 931 = -180
-180 ÷ 931 = -0.1933404940923738
-0.1933404940923738 x 100 = -19.33%