-91.82% is the change from 819 to 67
Calculation steps:
[( 67 - 819 ) ÷ 819] x 100 = -91.82%
Formula
Percentage change = [(67 - 819) / 819] x 100
Subtract the new number by the original number
67 - 819 = -752
-752 ÷ 819 = -0.9181929181929182
-0.9181929181929182 x 100 = -91.82%