-55.45% is the change from 101 to 45
Calculation steps:
[( 45 - 101 ) ÷ 101] x 100 = -55.45%
Formula
Percentage change = [(45 - 101) / 101] x 100
Subtract the new number by the original number
45 - 101 = -56
-56 ÷ 101 = -0.5544554455445545
-0.5544554455445545 x 100 = -55.45%