-56.82% is the change from 528 to 228
Calculation steps:
[( 228 - 528 ) ÷ 528] x 100 = -56.82%
Formula
Percentage change = [(228 - 528) / 528] x 100
Subtract the new number by the original number
228 - 528 = -300
-300 ÷ 528 = -0.5681818181818182
-0.5681818181818182 x 100 = -56.82%