-97.89% is the change from 522 to 11
Calculation steps:
[( 11 - 522 ) ÷ 522] x 100 = -97.89%
Formula
Percentage change = [(11 - 522) / 522] x 100
Subtract the new number by the original number
11 - 522 = -511
-511 ÷ 522 = -0.9789272030651341
-0.9789272030651341 x 100 = -97.89%