-48.11% is the change from 528 to 274
Calculation steps:
[( 274 - 528 ) ÷ 528] x 100 = -48.11%
Formula
Percentage change = [(274 - 528) / 528] x 100
Subtract the new number by the original number
274 - 528 = -254
-254 ÷ 528 = -0.4810606060606061
-0.4810606060606061 x 100 = -48.11%