-97.89% is the change from 902 to 19
Calculation steps:
[( 19 - 902 ) ÷ 902] x 100 = -97.89%
Formula
Percentage change = [(19 - 902) / 902] x 100
Subtract the new number by the original number
19 - 902 = -883
-883 ÷ 902 = -0.9789356984478935
-0.9789356984478935 x 100 = -97.89%