-98.32% is the change from 892 to 15
Calculation steps:
[( 15 - 892 ) ÷ 892] x 100 = -98.32%
Formula
Percentage change = [(15 - 892) / 892] x 100
Subtract the new number by the original number
15 - 892 = -877
-877 ÷ 892 = -0.9831838565022422
-0.9831838565022422 x 100 = -98.32%