-77.87% is the change from 122 to 27
Calculation steps:
[( 27 - 122 ) ÷ 122] x 100 = -77.87%
Formula
Percentage change = [(27 - 122) / 122] x 100
Subtract the new number by the original number
27 - 122 = -95
-95 ÷ 122 = -0.7786885245901639
-0.7786885245901639 x 100 = -77.87%