-70.05% is the change from 728 to 218
Calculation steps:
[( 218 - 728 ) ÷ 728] x 100 = -70.05%
Formula
Percentage change = [(218 - 728) / 728] x 100
Subtract the new number by the original number
218 - 728 = -510
-510 ÷ 728 = -0.7005494505494505
-0.7005494505494505 x 100 = -70.05%