-98.11% is the change from 528 to 10
Calculation steps:
[( 10 - 528 ) ÷ 528] x 100 = -98.11%
Formula
Percentage change = [(10 - 528) / 528] x 100
Subtract the new number by the original number
10 - 528 = -518
-518 ÷ 528 = -0.9810606060606061
-0.9810606060606061 x 100 = -98.11%