-92.59% is the change from 621 to 46
Calculation steps:
[( 46 - 621 ) ÷ 621] x 100 = -92.59%
Formula
Percentage change = [(46 - 621) / 621] x 100
Subtract the new number by the original number
46 - 621 = -575
-575 ÷ 621 = -0.9259259259259259
-0.9259259259259259 x 100 = -92.59%