-77.68% is the change from 457 to 102
Calculation steps:
[( 102 - 457 ) ÷ 457] x 100 = -77.68%
Formula
Percentage change = [(102 - 457) / 457] x 100
Subtract the new number by the original number
102 - 457 = -355
-355 ÷ 457 = -0.7768052516411379
-0.7768052516411379 x 100 = -77.68%