-73% is the change from 537 to 145
Calculation steps:
[( 145 - 537 ) ÷ 537] x 100 = -73%
Formula
Percentage change = [(145 - 537) / 537] x 100
Subtract the new number by the original number
145 - 537 = -392
-392 ÷ 537 = -0.7299813780260708
-0.7299813780260708 x 100 = -73%