-72.84% is the change from 545 to 148
Calculation steps:
[( 148 - 545 ) ÷ 545] x 100 = -72.84%
Formula
Percentage change = [(148 - 545) / 545] x 100
Subtract the new number by the original number
148 - 545 = -397
-397 ÷ 545 = -0.728440366972477
-0.728440366972477 x 100 = -72.84%