-54.88% is the change from 933 to 421
Calculation steps:
[( 421 - 933 ) ÷ 933] x 100 = -54.88%
Formula
Percentage change = [(421 - 933) / 933] x 100
Subtract the new number by the original number
421 - 933 = -512
-512 ÷ 933 = -0.5487674169346195
-0.5487674169346195 x 100 = -54.88%