-10.98% is the change from 920 to 819
Calculation steps:
[( 819 - 920 ) ÷ 920] x 100 = -10.98%
Formula
Percentage change = [(819 - 920) / 920] x 100
Subtract the new number by the original number
819 - 920 = -101
-101 ÷ 920 = -0.10978260869565218
-0.10978260869565218 x 100 = -10.98%