-63.49% is the change from 819 to 299
Calculation steps:
[( 299 - 819 ) ÷ 819] x 100 = -63.49%
Formula
Percentage change = [(299 - 819) / 819] x 100
Subtract the new number by the original number
299 - 819 = -520
-520 ÷ 819 = -0.6349206349206349
-0.6349206349206349 x 100 = -63.49%