-75.52% is the change from 813 to 199
Calculation steps:
[( 199 - 813 ) ÷ 813] x 100 = -75.52%
Formula
Percentage change = [(199 - 813) / 813] x 100
Subtract the new number by the original number
199 - 813 = -614
-614 ÷ 813 = -0.7552275522755227
-0.7552275522755227 x 100 = -75.52%