-51.15% is the change from 262 to 128
Calculation steps:
[( 128 - 262 ) ÷ 262] x 100 = -51.15%
Formula
Percentage change = [(128 - 262) / 262] x 100
Subtract the new number by the original number
128 - 262 = -134
-134 ÷ 262 = -0.5114503816793893
-0.5114503816793893 x 100 = -51.15%