-71.77% is the change from 620 to 175
Calculation steps:
[( 175 - 620 ) ÷ 620] x 100 = -71.77%
Formula
Percentage change = [(175 - 620) / 620] x 100
Subtract the new number by the original number
175 - 620 = -445
-445 ÷ 620 = -0.717741935483871
-0.717741935483871 x 100 = -71.77%