-7.77% is the change from 528 to 487
Calculation steps:
[( 487 - 528 ) ÷ 528] x 100 = -7.77%
Formula
Percentage change = [(487 - 528) / 528] x 100
Subtract the new number by the original number
487 - 528 = -41
-41 ÷ 528 = -0.07765151515151515
-0.07765151515151515 x 100 = -7.77%