-93.02% is the change from 902 to 63
Calculation steps:
[( 63 - 902 ) ÷ 902] x 100 = -93.02%
Formula
Percentage change = [(63 - 902) / 902] x 100
Subtract the new number by the original number
63 - 902 = -839
-839 ÷ 902 = -0.9301552106430155
-0.9301552106430155 x 100 = -93.02%