-54.62% is the change from 930 to 422
Calculation steps:
[( 422 - 930 ) ÷ 930] x 100 = -54.62%
Formula
Percentage change = [(422 - 930) / 930] x 100
Subtract the new number by the original number
422 - 930 = -508
-508 ÷ 930 = -0.546236559139785
-0.546236559139785 x 100 = -54.62%