-79.63% is the change from 923 to 188
Calculation steps:
[( 188 - 923 ) ÷ 923] x 100 = -79.63%
Formula
Percentage change = [(188 - 923) / 923] x 100
Subtract the new number by the original number
188 - 923 = -735
-735 ÷ 923 = -0.7963163596966414
-0.7963163596966414 x 100 = -79.63%