-97.77% is the change from 537 to 12
Calculation steps:
[( 12 - 537 ) ÷ 537] x 100 = -97.77%
Formula
Percentage change = [(12 - 537) / 537] x 100
Subtract the new number by the original number
12 - 537 = -525
-525 ÷ 537 = -0.9776536312849162
-0.9776536312849162 x 100 = -97.77%