-37.38% is the change from 420 to 263
Calculation steps:
[( 263 - 420 ) ÷ 420] x 100 = -37.38%
Formula
Percentage change = [(263 - 420) / 420] x 100
Subtract the new number by the original number
263 - 420 = -157
-157 ÷ 420 = -0.3738095238095238
-0.3738095238095238 x 100 = -37.38%