-31.08% is the change from 370 to 255
Calculation steps:
[( 255 - 370 ) ÷ 370] x 100 = -31.08%
Formula
Percentage change = [(255 - 370) / 370] x 100
Subtract the new number by the original number
255 - 370 = -115
-115 ÷ 370 = -0.3108108108108108
-0.3108108108108108 x 100 = -31.08%