-34.38% is the change from 794 to 521
Calculation steps:
[( 521 - 794 ) ÷ 794] x 100 = -34.38%
Formula
Percentage change = [(521 - 794) / 794] x 100
Subtract the new number by the original number
521 - 794 = -273
-273 ÷ 794 = -0.3438287153652393
-0.3438287153652393 x 100 = -34.38%