-74.3% is the change from 214 to 55
Calculation steps:
[( 55 - 214 ) ÷ 214] x 100 = -74.3%
Formula
Percentage change = [(55 - 214) / 214] x 100
Subtract the new number by the original number
55 - 214 = -159
-159 ÷ 214 = -0.7429906542056075
-0.7429906542056075 x 100 = -74.3%