-41.65% is the change from 778 to 454
Calculation steps:
[( 454 - 778 ) ÷ 778] x 100 = -41.65%
Formula
Percentage change = [(454 - 778) / 778] x 100
Subtract the new number by the original number
454 - 778 = -324
-324 ÷ 778 = -0.41645244215938304
-0.41645244215938304 x 100 = -41.65%