-63.03% is the change from 211 to 78
Calculation steps:
[( 78 - 211 ) ÷ 211] x 100 = -63.03%
Formula
Percentage change = [(78 - 211) / 211] x 100
Subtract the new number by the original number
78 - 211 = -133
-133 ÷ 211 = -0.6303317535545023
-0.6303317535545023 x 100 = -63.03%