-89.46% is the change from 427 to 45
Calculation steps:
[( 45 - 427 ) ÷ 427] x 100 = -89.46%
Formula
Percentage change = [(45 - 427) / 427] x 100
Subtract the new number by the original number
45 - 427 = -382
-382 ÷ 427 = -0.8946135831381733
-0.8946135831381733 x 100 = -89.46%