-42.7% is the change from 274 to 157
Calculation steps:
[( 157 - 274 ) ÷ 274] x 100 = -42.7%
Formula
Percentage change = [(157 - 274) / 274] x 100
Subtract the new number by the original number
157 - 274 = -117
-117 ÷ 274 = -0.42700729927007297
-0.42700729927007297 x 100 = -42.7%