-41.1% is the change from 528 to 311
Calculation steps:
[( 311 - 528 ) ÷ 528] x 100 = -41.1%
Formula
Percentage change = [(311 - 528) / 528] x 100
Subtract the new number by the original number
311 - 528 = -217
-217 ÷ 528 = -0.4109848484848485
-0.4109848484848485 x 100 = -41.1%