-76.26% is the change from 851 to 202
Calculation steps:
[( 202 - 851 ) ÷ 851] x 100 = -76.26%
Formula
Percentage change = [(202 - 851) / 851] x 100
Subtract the new number by the original number
202 - 851 = -649
-649 ÷ 851 = -0.7626321974148061
-0.7626321974148061 x 100 = -76.26%