-97.95% is the change from 537 to 11
Calculation steps:
[( 11 - 537 ) ÷ 537] x 100 = -97.95%
Formula
Percentage change = [(11 - 537) / 537] x 100
Subtract the new number by the original number
11 - 537 = -526
-526 ÷ 537 = -0.9795158286778398
-0.9795158286778398 x 100 = -97.95%