-78.67% is the change from 211 to 45
Calculation steps:
[( 45 - 211 ) ÷ 211] x 100 = -78.67%
Formula
Percentage change = [(45 - 211) / 211] x 100
Subtract the new number by the original number
45 - 211 = -166
-166 ÷ 211 = -0.7867298578199052
-0.7867298578199052 x 100 = -78.67%