-76.86% is the change from 929 to 215
Calculation steps:
[( 215 - 929 ) ÷ 929] x 100 = -76.86%
Formula
Percentage change = [(215 - 929) / 929] x 100
Subtract the new number by the original number
215 - 929 = -714
-714 ÷ 929 = -0.7685683530678149
-0.7685683530678149 x 100 = -76.86%