-57.97% is the change from 621 to 261
Calculation steps:
[( 261 - 621 ) ÷ 621] x 100 = -57.97%
Formula
Percentage change = [(261 - 621) / 621] x 100
Subtract the new number by the original number
261 - 621 = -360
-360 ÷ 621 = -0.5797101449275363
-0.5797101449275363 x 100 = -57.97%