-32.49% is the change from 277 to 187
Calculation steps:
[( 187 - 277 ) ÷ 277] x 100 = -32.49%
Formula
Percentage change = [(187 - 277) / 277] x 100
Subtract the new number by the original number
187 - 277 = -90
-90 ÷ 277 = -0.3249097472924188
-0.3249097472924188 x 100 = -32.49%