-78.43% is the change from 102 to 22
Calculation steps:
[( 22 - 102 ) ÷ 102] x 100 = -78.43%
Formula
Percentage change = [(22 - 102) / 102] x 100
Subtract the new number by the original number
22 - 102 = -80
-80 ÷ 102 = -0.7843137254901961
-0.7843137254901961 x 100 = -78.43%