-35.9% is the change from 415 to 266
Calculation steps:
[( 266 - 415 ) ÷ 415] x 100 = -35.9%
Formula
Percentage change = [(266 - 415) / 415] x 100
Subtract the new number by the original number
266 - 415 = -149
-149 ÷ 415 = -0.35903614457831323
-0.35903614457831323 x 100 = -35.9%