-55.07% is the change from 937 to 421
Calculation steps:
[( 421 - 937 ) ÷ 937] x 100 = -55.07%
Formula
Percentage change = [(421 - 937) / 937] x 100
Subtract the new number by the original number
421 - 937 = -516
-516 ÷ 937 = -0.5506937033084311
-0.5506937033084311 x 100 = -55.07%