-53.06% is the change from 620 to 291
Calculation steps:
[( 291 - 620 ) ÷ 620] x 100 = -53.06%
Formula
Percentage change = [(291 - 620) / 620] x 100
Subtract the new number by the original number
291 - 620 = -329
-329 ÷ 620 = -0.5306451612903226
-0.5306451612903226 x 100 = -53.06%