-74.54% is the change from 813 to 207
Calculation steps:
[( 207 - 813 ) ÷ 813] x 100 = -74.54%
Formula
Percentage change = [(207 - 813) / 813] x 100
Subtract the new number by the original number
207 - 813 = -606
-606 ÷ 813 = -0.7453874538745388
-0.7453874538745388 x 100 = -74.54%