-87.96% is the change from 457 to 55
Calculation steps:
[( 55 - 457 ) ÷ 457] x 100 = -87.96%
Formula
Percentage change = [(55 - 457) / 457] x 100
Subtract the new number by the original number
55 - 457 = -402
-402 ÷ 457 = -0.8796498905908097
-0.8796498905908097 x 100 = -87.96%