-34.8% is the change from 931 to 607
Calculation steps:
[( 607 - 931 ) ÷ 931] x 100 = -34.8%
Formula
Percentage change = [(607 - 931) / 931] x 100
Subtract the new number by the original number
607 - 931 = -324
-324 ÷ 931 = -0.34801288936627284
-0.34801288936627284 x 100 = -34.8%