-27.34% is the change from 278 to 202
Calculation steps:
[( 202 - 278 ) ÷ 278] x 100 = -27.34%
Formula
Percentage change = [(202 - 278) / 278] x 100
Subtract the new number by the original number
202 - 278 = -76
-76 ÷ 278 = -0.2733812949640288
-0.2733812949640288 x 100 = -27.34%