-91.1% is the change from 528 to 47
Calculation steps:
[( 47 - 528 ) ÷ 528] x 100 = -91.1%
Formula
Percentage change = [(47 - 528) / 528] x 100
Subtract the new number by the original number
47 - 528 = -481
-481 ÷ 528 = -0.9109848484848485
-0.9109848484848485 x 100 = -91.1%