-96.2% is the change from 527 to 20
Calculation steps:
[( 20 - 527 ) ÷ 527] x 100 = -96.2%
Formula
Percentage change = [(20 - 527) / 527] x 100
Subtract the new number by the original number
20 - 527 = -507
-507 ÷ 527 = -0.9620493358633776
-0.9620493358633776 x 100 = -96.2%