-60.87% is the change from 621 to 243
Calculation steps:
[( 243 - 621 ) ÷ 621] x 100 = -60.87%
Formula
Percentage change = [(243 - 621) / 621] x 100
Subtract the new number by the original number
243 - 621 = -378
-378 ÷ 621 = -0.6086956521739131
-0.6086956521739131 x 100 = -60.87%