-41.42% is the change from 717 to 420
Calculation steps:
[( 420 - 717 ) ÷ 717] x 100 = -41.42%
Formula
Percentage change = [(420 - 717) / 717] x 100
Subtract the new number by the original number
420 - 717 = -297
-297 ÷ 717 = -0.41422594142259417
-0.41422594142259417 x 100 = -41.42%