-78.43% is the change from 983 to 212
Calculation steps:
[( 212 - 983 ) ÷ 983] x 100 = -78.43%
Formula
Percentage change = [(212 - 983) / 983] x 100
Subtract the new number by the original number
212 - 983 = -771
-771 ÷ 983 = -0.7843336724313327
-0.7843336724313327 x 100 = -78.43%