-94.23% is the change from 537 to 31
Calculation steps:
[( 31 - 537 ) ÷ 537] x 100 = -94.23%
Formula
Percentage change = [(31 - 537) / 537] x 100
Subtract the new number by the original number
31 - 537 = -506
-506 ÷ 537 = -0.9422718808193669
-0.9422718808193669 x 100 = -94.23%