-73.25% is the change from 542 to 145
Calculation steps:
[( 145 - 542 ) ÷ 542] x 100 = -73.25%
Formula
Percentage change = [(145 - 542) / 542] x 100
Subtract the new number by the original number
145 - 542 = -397
-397 ÷ 542 = -0.7324723247232472
-0.7324723247232472 x 100 = -73.25%