-45.49% is the change from 277 to 151
Calculation steps:
[( 151 - 277 ) ÷ 277] x 100 = -45.49%
Formula
Percentage change = [(151 - 277) / 277] x 100
Subtract the new number by the original number
151 - 277 = -126
-126 ÷ 277 = -0.4548736462093863
-0.4548736462093863 x 100 = -45.49%