-79.23% is the change from 915 to 190
Calculation steps:
[( 190 - 915 ) ÷ 915] x 100 = -79.23%
Formula
Percentage change = [(190 - 915) / 915] x 100
Subtract the new number by the original number
190 - 915 = -725
-725 ÷ 915 = -0.7923497267759563
-0.7923497267759563 x 100 = -79.23%