-91.96% is the change from 622 to 50
Calculation steps:
[( 50 - 622 ) ÷ 622] x 100 = -91.96%
Formula
Percentage change = [(50 - 622) / 622] x 100
Subtract the new number by the original number
50 - 622 = -572
-572 ÷ 622 = -0.9196141479099679
-0.9196141479099679 x 100 = -91.96%