-76.88% is the change from 917 to 212
Calculation steps:
[( 212 - 917 ) ÷ 917] x 100 = -76.88%
Formula
Percentage change = [(212 - 917) / 917] x 100
Subtract the new number by the original number
212 - 917 = -705
-705 ÷ 917 = -0.7688113413304253
-0.7688113413304253 x 100 = -76.88%