-76.56% is the change from 192 to 45
Calculation steps:
[( 45 - 192 ) ÷ 192] x 100 = -76.56%
Formula
Percentage change = [(45 - 192) / 192] x 100
Subtract the new number by the original number
45 - 192 = -147
-147 ÷ 192 = -0.765625
-0.765625 x 100 = -76.56%