-75.87% is the change from 891 to 215
Calculation steps:
[( 215 - 891 ) ÷ 891] x 100 = -75.87%
Formula
Percentage change = [(215 - 891) / 891] x 100
Subtract the new number by the original number
215 - 891 = -676
-676 ÷ 891 = -0.7586980920314254
-0.7586980920314254 x 100 = -75.87%