-66.36% is the change from 220 to 74
Calculation steps:
[( 74 - 220 ) ÷ 220] x 100 = -66.36%
Formula
Percentage change = [(74 - 220) / 220] x 100
Subtract the new number by the original number
74 - 220 = -146
-146 ÷ 220 = -0.6636363636363637
-0.6636363636363637 x 100 = -66.36%