-76.05% is the change from 906 to 217
Calculation steps:
[( 217 - 906 ) ÷ 906] x 100 = -76.05%
Formula
Percentage change = [(217 - 906) / 906] x 100
Subtract the new number by the original number
217 - 906 = -689
-689 ÷ 906 = -0.760485651214128
-0.760485651214128 x 100 = -76.05%