-53.87% is the change from 917 to 423
Calculation steps:
[( 423 - 917 ) ÷ 917] x 100 = -53.87%
Formula
Percentage change = [(423 - 917) / 917] x 100
Subtract the new number by the original number
423 - 917 = -494
-494 ÷ 917 = -0.5387131952017448
-0.5387131952017448 x 100 = -53.87%