-43.2% is the change from 537 to 305
Calculation steps:
[( 305 - 537 ) ÷ 537] x 100 = -43.2%
Formula
Percentage change = [(305 - 537) / 537] x 100
Subtract the new number by the original number
305 - 537 = -232
-232 ÷ 537 = -0.43202979515828677
-0.43202979515828677 x 100 = -43.2%