-32.69% is the change from 774 to 521
Calculation steps:
[( 521 - 774 ) ÷ 774] x 100 = -32.69%
Formula
Percentage change = [(521 - 774) / 774] x 100
Subtract the new number by the original number
521 - 774 = -253
-253 ÷ 774 = -0.3268733850129199
-0.3268733850129199 x 100 = -32.69%