-70.97% is the change from 899 to 261
Calculation steps:
[( 261 - 899 ) ÷ 899] x 100 = -70.97%
Formula
Percentage change = [(261 - 899) / 899] x 100
Subtract the new number by the original number
261 - 899 = -638
-638 ÷ 899 = -0.7096774193548387
-0.7096774193548387 x 100 = -70.97%