-91.24% is the change from 902 to 79
Calculation steps:
[( 79 - 902 ) ÷ 902] x 100 = -91.24%
Formula
Percentage change = [(79 - 902) / 902] x 100
Subtract the new number by the original number
79 - 902 = -823
-823 ÷ 902 = -0.9124168514412417
-0.9124168514412417 x 100 = -91.24%