-53.89% is the change from 913 to 421
Calculation steps:
[( 421 - 913 ) ÷ 913] x 100 = -53.89%
Formula
Percentage change = [(421 - 913) / 913] x 100
Subtract the new number by the original number
421 - 913 = -492
-492 ÷ 913 = -0.5388828039430449
-0.5388828039430449 x 100 = -53.89%