-54.09% is the change from 220 to 101
Calculation steps:
[( 101 - 220 ) ÷ 220] x 100 = -54.09%
Formula
Percentage change = [(101 - 220) / 220] x 100
Subtract the new number by the original number
101 - 220 = -119
-119 ÷ 220 = -0.5409090909090909
-0.5409090909090909 x 100 = -54.09%