-54.2% is the change from 524 to 240
Calculation steps:
[( 240 - 524 ) ÷ 524] x 100 = -54.2%
Formula
Percentage change = [(240 - 524) / 524] x 100
Subtract the new number by the original number
240 - 524 = -284
-284 ÷ 524 = -0.5419847328244275
-0.5419847328244275 x 100 = -54.2%