-75.46% is the change from 819 to 201
Calculation steps:
[( 201 - 819 ) ÷ 819] x 100 = -75.46%
Formula
Percentage change = [(201 - 819) / 819] x 100
Subtract the new number by the original number
201 - 819 = -618
-618 ÷ 819 = -0.7545787545787546
-0.7545787545787546 x 100 = -75.46%