-97.91% is the change from 527 to 11
Calculation steps:
[( 11 - 527 ) ÷ 527] x 100 = -97.91%
Formula
Percentage change = [(11 - 527) / 527] x 100
Subtract the new number by the original number
11 - 527 = -516
-516 ÷ 527 = -0.9791271347248577
-0.9791271347248577 x 100 = -97.91%