-62.76% is the change from 145 to 54
Calculation steps:
[( 54 - 145 ) ÷ 145] x 100 = -62.76%
Formula
Percentage change = [(54 - 145) / 145] x 100
Subtract the new number by the original number
54 - 145 = -91
-91 ÷ 145 = -0.6275862068965518
-0.6275862068965518 x 100 = -62.76%