-43.02% is the change from 537 to 306
Calculation steps:
[( 306 - 537 ) ÷ 537] x 100 = -43.02%
Formula
Percentage change = [(306 - 537) / 537] x 100
Subtract the new number by the original number
306 - 537 = -231
-231 ÷ 537 = -0.4301675977653631
-0.4301675977653631 x 100 = -43.02%