-99.63% is the change from 537 to 2
Calculation steps:
[( 2 - 537 ) ÷ 537] x 100 = -99.63%
Formula
Percentage change = [(2 - 537) / 537] x 100
Subtract the new number by the original number
2 - 537 = -535
-535 ÷ 537 = -0.9962756052141527
-0.9962756052141527 x 100 = -99.63%