-76.16% is the change from 902 to 215
Calculation steps:
[( 215 - 902 ) ÷ 902] x 100 = -76.16%
Formula
Percentage change = [(215 - 902) / 902] x 100
Subtract the new number by the original number
215 - 902 = -687
-687 ÷ 902 = -0.761640798226164
-0.761640798226164 x 100 = -76.16%