-54.82% is the change from 934 to 422
Calculation steps:
[( 422 - 934 ) ÷ 934] x 100 = -54.82%
Formula
Percentage change = [(422 - 934) / 934] x 100
Subtract the new number by the original number
422 - 934 = -512
-512 ÷ 934 = -0.5481798715203426
-0.5481798715203426 x 100 = -54.82%